List of statistics articles

0–9

 * 1.96
 * 2SLS (two-stage least squares) – redirects to instrumental variable
 * 3SLS – see three-stage least squares
 * 68–95–99.7 rule
 * 100-year flood

A

 * A priori probability
 * Abductive reasoning
 * Absolute deviation
 * Absolute risk reduction
 * Absorbing Markov chain
 * ABX test
 * Accelerated failure time model
 * Acceptable quality limit
 * Acceptance sampling
 * Accidental sampling
 * Accuracy and precision
 * Accuracy paradox
 * Acquiescence bias
 * Actuarial science
 * Adapted process
 * Adaptive estimator
 * Additive Markov chain
 * Additive model
 * Additive smoothing
 * Additive white Gaussian noise
 * Adjusted Rand index – see Rand index (subsection)
 * ADMB – software
 * Admissible decision rule
 * Age adjustment
 * Age-standardized mortality rate
 * Age stratification
 * Aggregate data
 * Aggregate pattern
 * Akaike information criterion
 * Algebra of random variables
 * Algebraic statistics
 * Algorithmic inference
 * Algorithms for calculating variance
 * All models are wrong
 * All-pairs testing
 * Allan variance
 * Alignments of random points
 * Almost surely
 * Alpha beta filter
 * Alternative hypothesis
 * Analyse-it – software
 * Analysis of categorical data
 * Analysis of covariance
 * Analysis of molecular variance
 * Analysis of rhythmic variance
 * Analysis of variance
 * Analytic and enumerative statistical studies
 * Ancestral graph
 * Anchor test
 * Ancillary statistic
 * ANCOVA – redirects to Analysis of covariance
 * Anderson–Darling test
 * ANOVA
 * ANOVA on ranks
 * ANOVA–simultaneous component analysis
 * Anomaly detection
 * Anomaly time series
 * Anscombe transform
 * Anscombe's quartet
 * Antecedent variable
 * Antithetic variates
 * Approximate Bayesian computation
 * Approximate entropy
 * Arcsine distribution
 * Area chart
 * Area compatibility factor
 * ARGUS distribution
 * Arithmetic mean
 * Armitage–Doll multistage model of carcinogenesis
 * Arrival theorem
 * Artificial neural network
 * Ascertainment bias
 * ASReml – software
 * Association (statistics)
 * Association mapping
 * Association scheme
 * Assumed mean
 * Astrostatistics
 * Asymptotic distribution
 * Asymptotic equipartition property (information theory)
 * Asymptotic normality – redirects to Asymptotic distribution
 * Asymptotic relative efficiency – redirects to Efficiency (statistics)
 * Asymptotic theory (statistics)
 * Atkinson index
 * Attack rate
 * Augmented Dickey–Fuller test
 * Aumann's agreement theorem
 * Autocorrelation
 * Autocorrelation plot – redirects to Correlogram
 * Autocovariance
 * Autoregressive conditional duration
 * Autoregressive conditional heteroskedasticity
 * Autoregressive fractionally integrated moving average
 * Autoregressive integrated moving average
 * Autoregressive model
 * Autoregressive–moving-average model
 * Auxiliary particle filter
 * Average
 * Average treatment effect
 * Averaged one-dependence estimators
 * Azuma's inequality

B

 * BA model – model for a random network
 * Backfitting algorithm
 * Balance equation
 * Balanced incomplete block design – redirects to Block design
 * Balanced repeated replication
 * Balding–Nichols model
 * Banburismus – related to Bayesian networks
 * Bangdiwala's B
 * Bapat–Beg theorem
 * Bar chart
 * Barabási–Albert model
 * Barber–Johnson diagram
 * Barnard's test
 * Barnardisation
 * Barnes interpolation
 * Bartlett's method
 * Bartlett's test
 * Bartlett's theorem
 * Base rate
 * Baseball statistics
 * Basu's theorem
 * Bates distribution
 * Baum–Welch algorithm
 * Bayes classifier
 * Bayes error rate
 * Bayes estimator
 * Bayes factor
 * Bayes linear statistics
 * Bayes' rule
 * Bayes' theorem
 * Evidence under Bayes theorem
 * Bayesian – disambiguation
 * Bayesian average
 * Bayesian brain
 * Bayesian econometrics
 * Bayesian experimental design
 * Bayesian game
 * Bayesian inference
 * Bayesian inference in marketing
 * Bayesian inference in phylogeny
 * Bayesian inference using Gibbs sampling
 * Bayesian information criterion
 * Bayesian linear regression
 * Bayesian model comparison – see Bayes factor
 * Bayesian multivariate linear regression
 * Bayesian network
 * Bayesian probability
 * Bayesian search theory
 * Bayesian spam filtering
 * Bayesian statistics
 * Bayesian tool for methylation analysis
 * Bayesian vector autoregression
 * BCMP network – queueing theory
 * Bean machine
 * Behrens–Fisher distribution
 * Behrens–Fisher problem
 * Belief propagation
 * Belt transect
 * Benford's law
 * Benini distribution
 * Bennett's inequality
 * Berkson error model
 * Berkson's paradox
 * Berlin procedure
 * Bernoulli distribution
 * Bernoulli process
 * Bernoulli sampling
 * Bernoulli scheme
 * Bernoulli trial
 * Bernstein inequalities (probability theory)
 * Bernstein–von Mises theorem
 * Berry–Esseen theorem
 * Bertrand's ballot theorem
 * Bertrand's box paradox
 * Bessel process
 * Bessel's correction
 * Best linear unbiased prediction
 * Beta (finance)
 * Beta-binomial distribution
 * Beta-binomial model
 * Beta distribution
 * Beta function – for incomplete beta function
 * Beta negative binomial distribution
 * Beta prime distribution
 * Beta rectangular distribution
 * Beverton–Holt model
 * Bhatia–Davis inequality
 * Bhattacharya coefficient – redirects to Bhattacharyya distance
 * Bias (statistics)
 * Bias of an estimator
 * Biased random walk (biochemistry)
 * Biased sample – see Sampling bias
 * Biclustering
 * Big O in probability notation
 * Bienaymé–Chebyshev inequality
 * Bills of Mortality
 * Bimodal distribution
 * Binary classification
 * Bingham distribution
 * Binomial distribution
 * Binomial proportion confidence interval
 * Binomial regression
 * Binomial test
 * Bioinformatics
 * Biometrics (statistics) – redirects to Biostatistics
 * Biostatistics
 * Biplot
 * Birnbaum–Saunders distribution
 * Birth–death process
 * Bispectrum
 * Bivariate analysis
 * Bivariate von Mises distribution
 * Black–Scholes
 * Bland–Altman plot
 * Blind deconvolution
 * Blind experiment
 * Block design
 * Blocking (statistics)
 * BMDP – software
 * Bochner's theorem
 * Bonferroni correction
 * Bonferroni inequalities – redirects to Boole's inequality
 * Boole's inequality
 * Boolean analysis
 * Bootstrap aggregating
 * Bootstrap error-adjusted single-sample technique
 * Bootstrapping (statistics)
 * Bootstrapping populations
 * Borel–Cantelli lemma
 * Bose–Mesner algebra
 * Box–Behnken design
 * Box–Cox distribution
 * Box–Cox transformation – redirects to Power transform
 * Box–Jenkins
 * Box–Muller transform
 * Box–Pierce test
 * Box plot
 * Branching process
 * Bregman divergence
 * Breusch–Godfrey test
 * Breusch–Pagan statistic – redirects to Breusch–Pagan test
 * Breusch–Pagan test
 * Brown–Forsythe test
 * Brownian bridge
 * Brownian excursion
 * Brownian motion
 * Brownian tree
 * Bruck–Ryser–Chowla theorem
 * Burke's theorem
 * Burr distribution
 * Business statistics
 * Bühlmann model
 * Buzen's algorithm
 * BV4.1 (software)

C

 * c-chart
 * Càdlàg
 * Calculating demand forecast accuracy
 * Calculus of predispositions
 * Calibrated probability assessment
 * Calibration (probability) – subjective probability, redirects to Calibrated probability assessment
 * Calibration (statistics) – the statistical calibration problem
 * Cancer cluster
 * Candlestick chart
 * Canonical analysis
 * Canonical correlation
 * Canopy clustering algorithm
 * Cantor distribution
 * Carpet plot
 * Cartogram
 * Case-control – redirects to Case-control study
 * Case-control study
 * Catastro of Ensenada – a census of part of Spain
 * Categorical data
 * Categorical distribution
 * Categorical variable
 * Cauchy distribution
 * Cauchy–Schwarz inequality
 * Causal Markov condition
 * CDF-based nonparametric confidence interval
 * Ceiling effect (statistics)
 * Cellular noise
 * Censored regression model
 * Censoring (clinical trials)
 * Censoring (statistics)
 * Centering matrix
 * Centerpoint (geometry) – to which Tukey median redirects
 * Central composite design
 * Central limit theorem
 * Central limit theorem (illustration) – redirects to Illustration of the central limit theorem
 * Central limit theorem for directional statistics
 * Lyapunov's central limit theorem
 * Martingale central limit theorem
 * Central moment
 * Central tendency
 * Census
 * Cepstrum
 * CHAID – CHi-squared Automatic Interaction Detector
 * Chain rule for Kolmogorov complexity
 * Challenge–dechallenge–rechallenge
 * Champernowne distribution
 * Change detection
 * Change detection (GIS)
 * Chapman–Kolmogorov equation
 * Chapman–Robbins bound
 * Characteristic function (probability theory)
 * Chauvenet's criterion
 * Chebyshev center
 * Chebyshev's inequality
 * Checking if a coin is biased – redirects to Checking whether a coin is fair
 * Checking whether a coin is fair
 * Cheeger bound
 * Chemometrics
 * Chernoff bound – a special case of Chernoff's inequality
 * Chernoff face
 * Chernoff's distribution
 * Chernoff's inequality
 * Chi distribution
 * Chi-squared distribution
 * Chi-squared test
 * Chinese restaurant process
 * Choropleth map
 * Chow test
 * Chronux software
 * Circular analysis
 * Circular distribution
 * Circular error probable
 * Circular statistics – redirects to Directional statistics
 * Circular uniform distribution
 * Civic statistics
 * Clark–Ocone theorem
 * Class membership probabilities
 * Classic data sets
 * Classical definition of probability
 * Classical test theory – psychometrics
 * Classification rule
 * Classifier (mathematics)
 * Climate ensemble
 * Climograph
 * Clinical significance
 * Clinical study design
 * Clinical trial
 * Clinical utility of diagnostic tests
 * Cliodynamics
 * Closed testing procedure
 * Cluster analysis
 * Cluster randomised controlled trial
 * Cluster sampling
 * Cluster-weighted modeling
 * Clustering high-dimensional data
 * CMA-ES (Covariance Matrix Adaptation Evolution Strategy)
 * Coalescent theory
 * Cochran's C test
 * Cochran's Q test
 * Cochran's theorem
 * Cochran–Armitage test for trend
 * Cochran–Mantel–Haenszel statistics
 * Cochrane–Orcutt estimation
 * Coding (social sciences)
 * Coefficient of coherence – redirects to Coherence (statistics)
 * Coefficient of determination
 * Coefficient of dispersion
 * Coefficient of variation
 * Cognitive pretesting
 * Cohen's class distribution function – a time-frequency distribution function
 * Cohen's kappa
 * Coherence (signal processing)
 * Coherence (statistics)
 * Cohort (statistics)
 * Cohort effect
 * Cohort study
 * Cointegration
 * Collectively exhaustive events
 * Collider (epidemiology)
 * Combinatorial data analysis
 * Combinatorial design
 * Combinatorial meta-analysis
 * Common-method variance
 * Common mode failure
 * Common cause and special cause (statistics)
 * Comonotonicity
 * Comparing means
 * Comparison of general and generalized linear models
 * Comparison of statistical packages
 * Comparisonwise error rate
 * Complementary event
 * Complete-linkage clustering
 * Complete spatial randomness
 * Completely randomized design
 * Completeness (statistics)
 * Compositional data
 * Composite bar chart
 * Compound Poisson distribution
 * Compound Poisson process
 * Compound probability distribution
 * Computational formula for the variance
 * Computational learning theory
 * Computational statistics
 * Computer experiment
 * Computer-assisted survey information collection
 * Concomitant (statistics)
 * Concordance correlation coefficient
 * Concordant pair
 * Concrete illustration of the central limit theorem
 * Concurrent validity
 * Conditional change model
 * Conditional distribution – see Conditional probability distribution
 * Conditional dependence
 * Conditional expectation
 * Conditional independence
 * Conditional probability
 * Conditional probability distribution
 * Conditional random field
 * Conditional variance
 * Conditionality principle
 * Confidence band – redirects to Confidence and prediction bands
 * Confidence distribution
 * Confidence interval
 * Confidence region
 * Configural frequency analysis
 * Confirmation bias
 * Confirmatory factor analysis
 * Confounding
 * Confounding factor
 * Confusion of the inverse
 * Congruence coefficient
 * Conjoint analysis
 * Conjoint analysis (in healthcare)
 * Conjoint analysis (in marketing)
 * Conjugate prior
 * Consensus-based assessment
 * Consensus clustering
 * Consensus forecast
 * Conservatism (belief revision)
 * Consistency (statistics)
 * Consistent estimator
 * Constant elasticity of substitution
 * Constant false alarm rate
 * Constraint (information theory)
 * Consumption distribution
 * Contact process (mathematics)
 * Content validity
 * Contiguity (probability theory)
 * Contingency table
 * Continuity correction
 * Continuous distribution – see Continuous probability distribution
 * Continuous mapping theorem
 * Continuous probability distribution
 * Continuous stochastic process
 * Continuous-time Markov process
 * Continuous-time stochastic process
 * Contrast (statistics)
 * Control chart
 * Control event rate
 * Control limits
 * Control variate
 * Controlling for a variable
 * Convergence of measures
 * Convergence of random variables
 * Convex hull
 * Convolution of probability distributions
 * Convolution random number generator
 * Conway–Maxwell–Poisson distribution
 * Cook's distance
 * Cophenetic correlation
 * Copula (statistics)
 * Cornish–Fisher expansion
 * Correct sampling
 * Correction for attenuation
 * Correlation
 * Correlation and dependence
 * Correlation does not imply causation
 * Correlation clustering
 * Correlation function
 * Correlation function (astronomy)
 * Correlation function (quantum field theory)
 * Correlation function (statistical mechanics)
 * Correlation inequality
 * Correlation ratio
 * Correlogram
 * Correspondence analysis
 * Cosmic variance
 * Cost-of-living index
 * Count data
 * Counternull
 * Counting process
 * Covariance
 * Covariance and correlation
 * Covariance intersection
 * Covariance matrix
 * Covariance function
 * Covariate
 * Cover's theorem
 * Coverage probability
 * Cox process
 * Cox's theorem
 * Cox–Ingersoll–Ross model
 * Cramér–Rao bound
 * Cramér–von Mises criterion
 * Cramér's decomposition theorem
 * Cramér's theorem (large deviations)
 * Cramér's V
 * Craps principle
 * Credal set
 * Credible interval
 * Cricket statistics
 * Crime statistics
 * Critical region – redirects to Statistical hypothesis testing
 * Cromwell's rule
 * Cronbach's α
 * Cross-correlation
 * Cross-covariance
 * Cross-entropy method
 * Cross-sectional data
 * Cross-sectional regression
 * Cross-sectional study
 * Cross-spectrum
 * Cross tabulation
 * Cross-validation (statistics)
 * Crossover study
 * Crystal Ball function – a probability distribution
 * Cumulant
 * Cumulant generating function – redirects to cumulant
 * Cumulative accuracy profile
 * Cumulative distribution function
 * Cumulative frequency analysis
 * Cumulative incidence
 * Cunningham function
 * CURE data clustering algorithm
 * Curve fitting
 * CUSUM
 * Cuzick–Edwards test
 * Cyclostationary process

D

 * d-separation
 * D/M/1 queue
 * D'Agostino's K-squared test
 * Dagum distribution
 * DAP – open source software
 * Data analysis
 * Data assimilation
 * Data binning
 * Data classification (business intelligence)
 * Data cleansing
 * Data clustering
 * Data collection
 * Data Desk – software
 * Data dredging
 * Data fusion
 * Data generating process
 * Data mining
 * Data reduction
 * Data point
 * Data quality assurance
 * Data set
 * Data-snooping bias
 * Data stream clustering
 * Data transformation (statistics)
 * Data visualization
 * DataDetective – software
 * Dataplot – software
 * Davies–Bouldin index
 * Davis distribution
 * De Finetti's game
 * De Finetti's theorem
 * DeFries–Fulker regression
 * de Moivre's law
 * De Moivre–Laplace theorem
 * Decision boundary
 * Decision theory
 * Decomposition of time series
 * Degenerate distribution
 * Degrees of freedom (statistics)
 * Delaporte distribution
 * Delphi method
 * Delta method
 * Demand forecasting
 * Deming regression
 * Demographics
 * Demography
 * Demographic statistics
 * Dendrogram
 * Density estimation
 * Dependent and independent variables
 * Descriptive research
 * Descriptive statistics
 * Design effect
 * Design matrix
 * Design of experiments
 * The Design of Experiments (book by Fisher)
 * Detailed balance
 * Detection theory
 * Determining the number of clusters in a data set
 * Detrended correspondence analysis
 * Detrended fluctuation analysis
 * Deviance (statistics)
 * Deviance information criterion
 * Deviation (statistics)
 * Deviation analysis (disambiguation)
 * DFFITS – a regression diagnostic
 * Diagnostic odds ratio
 * Dickey–Fuller test
 * Difference in differences
 * Differential entropy
 * Diffusion process
 * Diffusion-limited aggregation
 * Dimension reduction
 * Dilution assay
 * Direct relationship
 * Directional statistics
 * Dirichlet distribution
 * Dirichlet-multinomial distribution
 * Dirichlet process
 * Disattenuation
 * Discrepancy function
 * Discrete choice
 * Discrete choice analysis
 * Discrete distribution – redirects to section of Probability distribution
 * Discrete frequency domain
 * Discrete phase-type distribution
 * Discrete probability distribution – redirects to section of Probability distribution
 * Discrete time
 * Discretization of continuous features
 * Discriminant function analysis
 * Discriminative model
 * Disorder problem
 * Distance correlation
 * Distance sampling
 * Distributed lag
 * Distribution fitting
 * Divergence (statistics)
 * Diversity index
 * Divisia index
 * Divisia monetary aggregates index
 * Dixon's Q test
 * Dominating decision rule
 * Donsker's theorem
 * Doob decomposition theorem
 * Doob martingale
 * Doob's martingale convergence theorems
 * Doob's martingale inequality
 * Doob–Meyer decomposition theorem
 * Doomsday argument
 * Dot plot (bioinformatics)
 * Dot plot (statistics)
 * Double counting (fallacy)
 * Double descent
 * Double exponential distribution (disambiguation)
 * Double mass analysis
 * Doubly stochastic model
 * Drift rate – redirects to Stochastic drift
 * Dudley's theorem
 * Dummy variable (statistics)
 * Duncan's new multiple range test
 * Dunn index
 * Dunnett's test
 * Durbin test
 * Durbin–Watson statistic
 * Dutch book
 * Dvoretzky–Kiefer–Wolfowitz inequality
 * Dyadic distribution
 * Dynamic Bayesian network
 * Dynamic factor
 * Dynamic topic model

E

 * E-statistic
 * Earth mover's distance
 * Eaton's inequality
 * Ecological correlation
 * Ecological fallacy
 * Ecological regression
 * Ecological study
 * Econometrics
 * Econometric model
 * Econometric software – redirects to Comparison of statistical packages
 * Economic data
 * Economic epidemiology
 * Economic statistics
 * Eddy covariance
 * Edgeworth series
 * Effect size
 * Efficiency (statistics)
 * Efficient estimator
 * Ehrenfest model
 * Elastic map
 * Elliptical distribution
 * Ellsberg paradox
 * Elston–Stewart algorithm
 * EMG distribution
 * Empirical
 * Empirical Bayes method
 * Empirical distribution function
 * Empirical likelihood
 * Empirical measure
 * Empirical orthogonal functions
 * Empirical probability
 * Empirical process
 * Empirical statistical laws
 * Endogeneity (econometrics)
 * End point of clinical trials
 * Energy distance
 * Energy statistics (disambiguation)
 * Encyclopedia of Statistical Sciences (book)
 * Engineering statistics
 * Engineering tolerance
 * Engset calculation
 * Ensemble forecasting
 * Ensemble Kalman filter
 * Entropy (information theory)
 * Entropy estimation
 * Entropy power inequality
 * Environmental statistics
 * Epi Info – software
 * Epidata – software
 * Epidemic model
 * Epidemiological methods
 * Epilogism
 * Epitome (image processing)
 * Epps effect
 * Equating – test equating
 * Equipossible
 * Equiprobable
 * Erdős–Rényi model
 * Erlang distribution
 * Ergodic theory
 * Ergodicity
 * Error bar
 * Error correction model
 * Error function
 * Errors and residuals in statistics
 * Errors-in-variables models
 * An Essay Towards Solving a Problem in the Doctrine of Chances
 * Estimating equations
 * Estimation theory
 * Estimation of covariance matrices
 * Estimation of signal parameters via rotational invariance techniques
 * Estimator
 * Etemadi's inequality
 * Ethical problems using children in clinical trials
 * Event (probability theory)
 * Event study
 * Evidence lower bound
 * Evidence under Bayes theorem
 * Evolutionary data mining
 * Ewens's sampling formula
 * EWMA chart
 * Exact statistics
 * Exact test
 * Examples of Markov chains
 * Excess risk
 * Exchange paradox
 * Exchangeable random variables
 * Expander walk sampling
 * Expectation–maximization algorithm
 * Expectation propagation
 * Expected mean squares
 * Expected utility hypothesis
 * Expected value
 * Expected value of sample information
 * Experiment
 * Experimental design diagram
 * Experimental event rate
 * Experimental uncertainty analysis
 * Experimenter's bias
 * Experimentwise error rate
 * Explained sum of squares
 * Explained variation
 * Explanatory variable
 * Exploratory data analysis
 * Exploratory factor analysis
 * Exponential dispersion model
 * Exponential distribution
 * Exponential family
 * Exponential-logarithmic distribution
 * Exponential power distribution – redirects to Generalized normal distribution
 * Exponential random numbers – redirect to subsection of Exponential distribution
 * Exponential smoothing
 * Exponentially modified Gaussian distribution
 * Exponentiated Weibull distribution
 * Exposure variable
 * Extended Kalman filter
 * Extended negative binomial distribution
 * Extensions of Fisher's method
 * External validity
 * Extrapolation domain analysis
 * Extreme value theory
 * Extremum estimator

F

 * F-distribution
 * F-divergence
 * F-statistics – population genetics
 * F-test
 * F-test of equality of variances
 * F1 score
 * Facet theory
 * Factor analysis
 * Factor regression model
 * Factor graph
 * Factorial code
 * Factorial experiment
 * Factorial moment
 * Factorial moment generating function
 * Failure rate
 * Fair coin
 * Falconer's formula
 * False discovery rate
 * False nearest neighbor algorithm
 * False negative
 * False positive
 * False positive rate
 * False positive paradox
 * Family-wise error rate
 * Fan chart (time series)
 * Fano factor
 * Fast Fourier transform
 * Fast Kalman filter
 * FastICA – fast independent component analysis
 * Fat-tailed distribution
 * Feasible generalized least squares
 * Feature extraction
 * Feller process
 * Feller's coin-tossing constants
 * Feller-continuous process
 * Felsenstein's tree-pruning algorithm – statistical genetics
 * Fides (reliability)
 * Fiducial inference
 * Field experiment
 * Fieller's theorem
 * File drawer problem
 * Filtering problem (stochastic processes)
 * Financial econometrics
 * Financial models with long-tailed distributions and volatility clustering
 * Finite-dimensional distribution
 * First-hitting-time model
 * First-in-man study
 * Fishburn–Shepp inequality
 * Fisher consistency
 * Fisher information
 * Fisher information metric
 * Fisher kernel
 * Fisher transformation
 * Fisher's exact test
 * Fisher's inequality
 * Fisher's linear discriminator
 * Fisher's method
 * Fisher's noncentral hypergeometric distribution
 * Fisher's z-distribution
 * Fisher–Tippett distribution – redirects to Generalized extreme value distribution
 * Fisher–Tippett–Gnedenko theorem
 * Five-number summary
 * Fixed effects estimator and Fixed effects estimation –  redirect to Fixed effects model
 * Fixed-effect Poisson model
 * FLAME clustering
 * Fleiss' kappa
 * Fleming–Viot process
 * Flood risk assessment
 * Floor effect
 * Focused information criterion
 * Fokker–Planck equation
 * Folded normal distribution
 * Forecast bias
 * Forecast error
 * Forecast skill
 * Forecasting
 * Forest plot
 * Fork-join queue
 * Formation matrix
 * Forward measure
 * Foster's theorem
 * Foundations of statistics
 * Founders of statistics
 * Fourier analysis
 * Fowlkes–Mallows index
 * Fraction of variance unexplained
 * Fractional Brownian motion
 * Fractional factorial design
 * Fréchet distribution
 * Fréchet mean
 * Free statistical software
 * Freedman's paradox
 * Freedman–Diaconis rule
 * Freidlin–Wentzell theorem
 * Frequency (statistics)
 * Frequency distribution
 * Frequency domain
 * Frequency probability
 * Frequentist inference
 * Friedman test
 * Friendship paradox
 * Frisch–Waugh–Lovell theorem
 * Fully crossed design
 * Function approximation
 * Functional boxplot
 * Functional data analysis
 * Funnel plot
 * Fuzzy logic
 * Fuzzy measure theory
 * FWL theorem – relating regression and projection

G

 * G/G/1 queue
 * G-network
 * G-test
 * Galbraith plot
 * Gallagher Index
 * Galton–Watson process
 * Galton's problem
 * Gambler's fallacy
 * Gambler's ruin
 * Gambling and information theory
 * Game of chance
 * Gamma distribution
 * Gamma test (statistics)
 * Gamma process
 * Gamma variate
 * GAUSS (software)
 * Gauss's inequality
 * Gauss–Kuzmin distribution
 * Gauss–Markov process
 * Gauss–Markov theorem
 * Gauss–Newton algorithm
 * Gaussian function
 * Gaussian isoperimetric inequality
 * Gaussian measure
 * Gaussian noise
 * Gaussian process
 * Gaussian process emulator
 * Gaussian q-distribution
 * Geary's C
 * GEH statistic – a statistic comparing modelled and observed counts
 * General linear model
 * Generalizability theory
 * Generalized additive model
 * Generalized additive model for location, scale and shape
 * Generalized beta distribution
 * Generalized canonical correlation
 * Generalized chi-squared distribution
 * Generalized Dirichlet distribution
 * Generalized entropy index
 * Generalized estimating equation
 * Generalized expected utility
 * Generalized extreme value distribution
 * Generalized gamma distribution
 * Generalized Gaussian distribution
 * Generalised hyperbolic distribution
 * Generalized inverse Gaussian distribution
 * Generalized least squares
 * Generalized linear array model
 * Generalized linear mixed model
 * Generalized linear model
 * Generalized logistic distribution
 * Generalized method of moments
 * Generalized multidimensional scaling
 * Generalized multivariate log-gamma distribution
 * Generalized normal distribution
 * Generalized p-value
 * Generalized Pareto distribution
 * Generalized Procrustes analysis
 * Generalized randomized block design
 * Generalized Tobit
 * Generalized Wiener process
 * Generative model
 * Genetic epidemiology
 * GenStat – software
 * Geo-imputation
 * Geodemographic segmentation
 * Geometric Brownian motion
 * Geometric data analysis
 * Geometric distribution
 * Geometric median
 * Geometric standard deviation
 * Geometric stable distribution
 * Geospatial predictive modeling
 * Geostatistics
 * German tank problem
 * Gerschenkron effect
 * Gibbs sampling
 * Gillespie algorithm
 * Gini coefficient
 * Girsanov theorem
 * Gittins index
 * GLIM (software) – software
 * Glivenko–Cantelli theorem
 * GLUE (uncertainty assessment)
 * Goldfeld–Quandt test
 * Gompertz distribution
 * Gompertz function
 * Gompertz–Makeham law of mortality
 * Good–Turing frequency estimation
 * Goodhart's law
 * Goodman and Kruskal's gamma
 * Goodman and Kruskal's lambda
 * Goodness of fit
 * Gordon–Newell network
 * Gordon–Newell theorem
 * Graeco-Latin square
 * Grand mean
 * Granger causality
 * Graph cuts in computer vision – a potential application of Bayesian analysis
 * Graphical model
 * Graphical models for protein structure
 * GraphPad InStat – software
 * GraphPad Prism – software
 * Gravity model of trade
 * Greenwood statistic
 * Gretl
 * Group family
 * Group method of data handling
 * Group size measures
 * Grouped data
 * Grubbs's test for outliers
 * Guess value
 * Guesstimate
 * Gumbel distribution
 * Guttman scale
 * Gy's sampling theory

H

 * h-index
 * Hájek–Le Cam convolution theorem
 * Half circle distribution
 * Half-logistic distribution
 * Half-normal distribution
 * Halton sequence
 * Hamburger moment problem
 * Hannan–Quinn information criterion
 * Harris chain
 * Hardy–Weinberg principle – statistical genetics
 * Hartley's test
 * Hat matrix
 * Hammersley–Clifford theorem
 * Hausdorff moment problem
 * Hausman specification test – redirects to Hausman test
 * Haybittle–Peto boundary
 * Hazard function – redirects to Failure rate
 * Hazard ratio
 * Heaps' law
 * Health care analytics
 * Heart rate variability
 * Heavy-tailed distribution
 * Heckman correction
 * Hedonic regression
 * Hellin's law
 * Hellinger distance
 * Helmert–Wolf blocking
 * Herdan's law
 * Herfindahl index
 * Heston model
 * Heteroscedasticity
 * Heteroscedasticity-consistent standard errors
 * Heteroskedasticity – see Heteroscedasticity
 * Hidden Markov model
 * Hidden Markov random field
 * Hidden semi-Markov model
 * Hierarchical Bayes model
 * Hierarchical clustering
 * Hierarchical hidden Markov model
 * Hierarchical linear modeling
 * High-dimensional statistics
 * Higher-order factor analysis
 * Higher-order statistics
 * Hirschman uncertainty
 * Histogram
 * Historiometry
 * History of randomness
 * History of statistics
 * Hitting time
 * Hodges' estimator
 * Hodges–Lehmann estimator
 * Hoeffding's independence test
 * Hoeffding's lemma
 * Hoeffding's inequality
 * Holm–Bonferroni method
 * Holtsmark distribution
 * Homogeneity (statistics)
 * Homogenization (climate)
 * Homoscedasticity
 * Hoover index (a.k.a. Robin Hood index)
 * Horvitz–Thompson estimator
 * Hosmer–Lemeshow test
 * Hotelling's T-squared distribution
 * How to Lie with Statistics (book)
 * Howland will forgery trial
 * Hubbert curve
 * Huber–White standard error – see Heteroscedasticity-consistent standard errors
 * Huber loss function
 * Human subject research
 * Hurst exponent
 * Hyper-exponential distribution
 * Hyper-Graeco-Latin square design
 * Hyperbolic distribution
 * Hyperbolic secant distribution
 * Hypergeometric distribution
 * Hyperparameter
 * Hyperprior
 * Hypoexponential distribution

I

 * Idealised population
 * Idempotent matrix
 * Identifiability
 * Ignorability
 * Illustration of the central limit theorem
 * Image denoising
 * Importance sampling
 * Imprecise probability
 * Impulse response
 * Imputation (statistics)
 * Incidence (epidemiology)
 * Increasing process
 * Indecomposable distribution
 * Independence of irrelevant alternatives
 * Independent component analysis
 * Independent and identically distributed random variables
 * Index (economics)
 * Index number
 * Index of coincidence
 * Index of dispersion
 * Index of dissimilarity
 * Indicators of spatial association
 * Indirect least squares
 * Inductive inference
 * An inequality on location and scale parameters – see Chebyshev's inequality
 * Inference
 * Inferential statistics – redirects to Statistical inference
 * Infinite divisibility (probability)
 * Infinite monkey theorem
 * Influence diagram
 * Info-gap decision theory
 * Information bottleneck method
 * Information geometry
 * Information gain ratio
 * Information ratio – finance
 * Information source (mathematics)
 * Information theory
 * Inherent bias
 * Inherent zero
 * Injury prevention – application
 * Innovation (signal processing)
 * Innovations vector
 * Institutional review board
 * Instrumental variable
 * Integrated nested Laplace approximations
 * Intention to treat analysis
 * Interaction (statistics)
 * Interaction variable – see Interaction (statistics)
 * Interclass correlation
 * Interdecile range
 * Interim analysis
 * Internal consistency
 * Internal validity
 * Interquartile mean
 * Interquartile range
 * Inter-rater reliability
 * Interval estimation
 * Intervening variable
 * Intra-rater reliability
 * Intraclass correlation
 * Invariant estimator
 * Invariant extended Kalman filter
 * Inverse distance weighting
 * Inverse distribution
 * Inverse Gaussian distribution
 * Inverse matrix gamma distribution
 * Inverse Mills ratio
 * Inverse probability
 * Inverse probability weighting
 * Inverse relationship
 * Inverse-chi-squared distribution
 * Inverse-gamma distribution
 * Inverse transform sampling
 * Inverse-variance weighting
 * Inverse-Wishart distribution
 * Iris flower data set
 * Irwin–Hall distribution
 * Isomap
 * Isotonic regression
 * Isserlis' theorem
 * Item response theory
 * Item-total correlation
 * Item tree analysis
 * Iterative proportional fitting
 * Iteratively reweighted least squares
 * Itô calculus
 * Itô isometry
 * Itô's lemma

J

 * Jaccard index
 * Jackknife (statistics) – redirects to Resampling (statistics)
 * Jackson network
 * Jackson's theorem (queueing theory)
 * Jadad scale
 * James–Stein estimator
 * Jarque–Bera test
 * Jeffreys prior
 * Jensen's inequality
 * Jensen–Shannon divergence
 * JMulTi – software
 * Johansen test
 * Johnson SU distribution
 * Joint probability distribution
 * Jonckheere's trend test
 * JMP (statistical software)
 * Jump process
 * Jump-diffusion model
 * Junction tree algorithm

K

 * K-distribution
 * K-means algorithm – redirects to k-means clustering
 * K-means++
 * K-medians clustering
 * K-medoids
 * K-statistic
 * Kalman filter
 * Kaplan–Meier estimator
 * Kappa coefficient
 * Kappa statistic
 * Karhunen–Loève theorem
 * Kendall tau distance
 * Kendall tau rank correlation coefficient
 * Kendall's notation
 * Kendall's W – Kendall's coefficient of concordance
 * Kent distribution
 * Kernel density estimation
 * Kernel Fisher discriminant analysis
 * Kernel methods
 * Kernel principal component analysis
 * Kernel regression
 * Kernel smoother
 * Kernel (statistics)
 * Khmaladze transformation (probability theory)
 * Killed process
 * Khintchine inequality
 * Kingman's formula
 * Kirkwood approximation
 * Kish grid
 * Kitchen sink regression
 * Klecka's tau
 * Knightian uncertainty
 * Kolmogorov backward equation
 * Kolmogorov continuity theorem
 * Kolmogorov extension theorem
 * Kolmogorov's criterion
 * Kolmogorov's generalized criterion
 * Kolmogorov's inequality
 * Kolmogorov's zero–one law
 * Kolmogorov–Smirnov test
 * KPSS test
 * Kriging
 * Kruskal–Wallis one-way analysis of variance
 * Kuder–Richardson Formula 20
 * Kuiper's test
 * Kullback's inequality
 * Kullback–Leibler divergence
 * Kumaraswamy distribution
 * Kurtosis
 * Kushner equation

L

 * L-estimator
 * L-moment
 * Labour Force Survey
 * Lack-of-fit sum of squares
 * Lady tasting tea
 * Lag operator
 * Lag windowing
 * Lambda distribution – disambiguation
 * Landau distribution
 * Lander–Green algorithm
 * Language model
 * Laplace distribution
 * Laplace principle (large deviations theory)
 * LaplacesDemon – software
 * Large deviations theory
 * Large deviations of Gaussian random functions
 * LARS – see least-angle regression
 * Latent variable, latent variable model
 * Latent class model
 * Latent Dirichlet allocation
 * Latent growth modeling
 * Latent semantic analysis
 * Latin rectangle
 * Latin square
 * Latin hypercube sampling
 * Law (stochastic processes)
 * Law of averages
 * Law of comparative judgment
 * Law of large numbers
 * Law of the iterated logarithm
 * Law of the unconscious statistician
 * Law of total covariance
 * Law of total cumulance
 * Law of total expectation
 * Law of total probability
 * Law of total variance
 * Law of truly large numbers
 * Layered hidden Markov model
 * Le Cam's theorem
 * Lead time bias
 * Least absolute deviations
 * Least-angle regression
 * Least squares
 * Least-squares spectral analysis
 * Least squares support vector machine
 * Least trimmed squares
 * Learning theory (statistics)
 * Leftover hash-lemma
 * Lehmann–Scheffé theorem
 * Length time bias
 * Levene's test
 * Level of analysis
 * Level of measurement
 * Levenberg–Marquardt algorithm
 * Leverage (statistics)
 * Levey–Jennings chart – redirects to Laboratory quality control
 * Lévy's convergence theorem
 * Lévy's continuity theorem
 * Lévy arcsine law
 * Lévy distribution
 * Lévy flight
 * Lévy process
 * Lewontin's Fallacy
 * Lexis diagram
 * Lexis ratio
 * Lies, damned lies, and statistics
 * Life expectancy
 * Life table
 * Lift (data mining)
 * Likelihood function
 * Likelihood principle
 * Likelihood-ratio test
 * Likelihood ratios in diagnostic testing
 * Likert scale
 * Lilliefors test
 * Limited dependent variable
 * Limiting density of discrete points
 * Lincoln index
 * Lindeberg's condition
 * Lindley equation
 * Lindley's paradox
 * Line chart
 * Line-intercept sampling
 * Linear classifier
 * Linear discriminant analysis
 * Linear least squares
 * Linear model
 * Linear prediction
 * Linear probability model
 * Linear regression
 * Linguistic demography
 * Linnik distribution – redirects to Geometric stable distribution
 * LISREL – proprietary statistical software package
 * List of basic statistics topics – redirects to Outline of statistics
 * List of convolutions of probability distributions
 * List of graphical methods
 * List of information graphics software
 * List of probability topics
 * List of random number generators
 * List of scientific journals in statistics
 * List of statistical packages
 * List of statisticians
 * Listwise deletion
 * Little's law
 * Littlewood's law
 * Ljung–Box test
 * Local convex hull
 * Local independence
 * Local martingale
 * Local regression
 * Location estimation – redirects to Location parameter
 * Location estimation in sensor networks
 * Location parameter
 * Location test
 * Location-scale family
 * Local asymptotic normality
 * Locality (statistics)
 * Loess curve – redirects to Local regression
 * Log-Cauchy distribution
 * Log-Laplace distribution
 * Log-normal distribution
 * Log-linear analysis
 * Log-linear model
 * Log-linear modeling – redirects to Poisson regression
 * Log-log plot
 * Log-logistic distribution
 * Logarithmic distribution
 * Logarithmic mean
 * Logistic distribution
 * Logistic function
 * Logistic regression
 * Logit
 * Logit analysis in marketing
 * Logit-normal distribution
 * Log-normal distribution
 * Logrank test
 * Lomax distribution
 * Long-range dependency
 * Long Tail
 * Long-tail traffic
 * Longitudinal study
 * Longstaff–Schwartz model
 * Lorenz curve
 * Loss function
 * Lot quality assurance sampling
 * Lotka's law
 * Low birth weight paradox
 * Lucia de Berk – prob/stats related court case
 * Lukacs's proportion-sum independence theorem
 * Lumpability
 * Lusser's law
 * Lyapunov's central limit theorem

M

 * M/D/1 queue
 * M/G/1 queue
 * M/M/1 queue
 * M/M/c queue
 * M-estimator
 * Redescending M-estimator
 * M-separation
 * Mabinogion sheep problem
 * Machine learning
 * Mahalanobis distance
 * Main effect
 * Mallows's Cp
 * MANCOVA
 * Manhattan plot
 * Mann–Whitney U
 * MANOVA
 * Mantel test
 * MAP estimator – redirects to Maximum a posteriori estimation
 * Marchenko–Pastur distribution
 * Marcinkiewicz–Zygmund inequality
 * Marcum Q-function
 * Margin of error
 * Marginal conditional stochastic dominance
 * Marginal distribution
 * Marginal likelihood
 * Marginal model
 * Marginal variable – redirects to Marginal distribution
 * Mark and recapture
 * Markov additive process
 * Markov blanket
 * Markov chain
 * Markov chain geostatistics
 * Markov chain mixing time
 * Markov chain Monte Carlo
 * Markov decision process
 * Markov information source
 * Markov kernel
 * Markov logic network
 * Markov model
 * Markov network
 * Markov process
 * Markov property
 * Markov random field
 * Markov renewal process
 * Markov's inequality
 * Markovian arrival processes
 * Marsaglia polar method
 * Martingale (probability theory)
 * Martingale difference sequence
 * Martingale representation theorem
 * Master equation
 * Matched filter
 * Matching pursuit
 * Matching (statistics)
 * Matérn covariance function
 * Mathematica – software
 * Mathematical biology
 * Mathematical modelling in epidemiology
 * Mathematical modelling of infectious disease
 * Mathematical statistics
 * Matthews correlation coefficient
 * Matrix gamma distribution
 * Matrix normal distribution
 * Matrix population models
 * Matrix t-distribution
 * Mauchly's sphericity test
 * Maximal ergodic theorem
 * Maximal information coefficient
 * Maximum a posteriori estimation
 * Maximum entropy classifier – redirects to Logistic regression
 * Maximum-entropy Markov model
 * Maximum entropy method – redirects to Principle of maximum entropy
 * Maximum entropy probability distribution
 * Maximum entropy spectral estimation
 * Maximum likelihood
 * Maximum likelihood sequence estimation
 * Maximum parsimony
 * Maximum spacing estimation
 * Maxwell speed distribution
 * Maxwell–Boltzmann distribution
 * Maxwell's theorem
 * Mazziotta–Pareto index
 * MCAR (missing completely at random)
 * McCullagh's parametrization of the Cauchy distributions
 * McDiarmid's inequality
 * McDonald–Kreitman test – statistical genetics
 * McKay's approximation for the coefficient of variation
 * McNemar's test
 * Meadow's law
 * Mean
 * Mean – see also expected value
 * Mean absolute error
 * Mean absolute percentage error
 * Mean absolute scaled error
 * Mean and predicted response
 * Mean deviation (disambiguation)
 * Mean difference
 * Mean integrated squared error
 * Mean of circular quantities
 * Mean percentage error
 * Mean preserving spread
 * Mean reciprocal rank
 * Mean signed difference
 * Mean square quantization error
 * Mean square weighted deviation
 * Mean squared error
 * Mean squared prediction error
 * Mean time between failures
 * Mean-reverting process – redirects to Ornstein–Uhlenbeck process
 * Mean value analysis
 * Measurement, level of – see level of measurement.
 * Measurement invariance
 * MedCalc – software
 * Median
 * Median absolute deviation
 * Median polish
 * Median test
 * Mediation (statistics)
 * Medical statistics
 * Medoid
 * Memorylessness
 * Mendelian randomization
 * Meta-analysis
 * Meta-regression
 * Metalog distribution
 * Method of moments (statistics)
 * Method of simulated moments
 * Method of support
 * Metropolis–Hastings algorithm
 * Mexican paradox
 * Microdata (statistics)
 * Midhinge
 * Mid-range
 * MinHash
 * Minimax
 * Minimax estimator
 * Minimisation (clinical trials)
 * Minimum chi-square estimation
 * Minimum distance estimation
 * Minimum mean square error
 * Minimum-variance unbiased estimator
 * Minimum viable population
 * Minitab
 * MINQUE – minimum norm quadratic unbiased estimation
 * Misleading graph
 * Missing completely at random
 * Missing data
 * Missing values – see Missing data
 * Mittag–Leffler distribution
 * Mixed logit
 * Misconceptions about the normal distribution
 * Misuse of statistics
 * Mixed data sampling
 * Mixed-design analysis of variance
 * Mixed model
 * Mixing (mathematics)
 * Mixture distribution
 * Mixture model
 * Mixture (probability)
 * MLwiN
 * Mode (statistics)
 * Model output statistics
 * Model selection
 * Model specification
 * Moderator variable – redirects to Moderation (statistics)
 * Modifiable areal unit problem
 * Moffat distribution
 * Moment (mathematics)
 * Moment-generating function
 * Moments, method of – see method of moments (statistics)
 * Moment problem
 * Monotone likelihood ratio
 * Monte Carlo integration
 * Monte Carlo method
 * Monte Carlo method for photon transport
 * Monte Carlo methods for option pricing
 * Monte Carlo methods in finance
 * Monte Carlo molecular modeling
 * Moral graph
 * Moran process
 * Moran's I
 * Morisita's overlap index
 * Morris method
 * Mortality rate
 * Most probable number
 * Moving average
 * Moving-average model
 * Moving average representation – redirects to Wold's theorem
 * Moving least squares
 * Multi-armed bandit
 * Multi-vari chart
 * Multiclass classification
 * Multiclass LDA (linear discriminant analysis) – redirects to Linear discriminant analysis
 * Multicollinearity
 * Multidimensional analysis
 * Multidimensional Chebyshev's inequality
 * Multidimensional panel data
 * Multidimensional scaling
 * Multifactor design of experiments software
 * Multifactor dimensionality reduction
 * Multilevel model
 * Multilinear principal component analysis
 * Multinomial distribution
 * Multinomial logistic regression
 * Multinomial logit – see Multinomial logistic regression
 * Multinomial probit
 * Multinomial test
 * Multiple baseline design
 * Multiple comparisons
 * Multiple correlation
 * Multiple correspondence analysis
 * Multiple discriminant analysis
 * Multiple-indicator kriging
 * Multiple Indicator Cluster Survey
 * Multiple of the median
 * Multiple testing correction – redirects to Multiple comparisons
 * Multiple-try Metropolis
 * Multiresolution analysis
 * Multiscale decision making
 * Multiscale geometric analysis
 * Multistage testing
 * Multitaper
 * Multitrait-multimethod matrix
 * Multivariate adaptive regression splines
 * Multivariate analysis
 * Multivariate analysis of variance
 * Multivariate distribution – see Joint probability distribution
 * Multivariate kernel density estimation
 * Multivariate normal distribution
 * Multivariate Pareto distribution
 * Multivariate Pólya distribution
 * Multivariate probit – redirects to Multivariate probit model
 * Multivariate random variable
 * Multivariate stable distribution
 * Multivariate statistics
 * Multivariate Student distribution – redirects to Multivariate t-distribution
 * Multivariate t-distribution

N

 * n = 1 fallacy
 * N of 1 trial
 * Naive Bayes classifier
 * Nakagami distribution
 * National and international statistical services
 * Nash–Sutcliffe model efficiency coefficient
 * National Health Interview Survey
 * Natural experiment
 * Natural exponential family
 * Natural process variation
 * NCSS (statistical software)
 * Nearest-neighbor chain algorithm
 * Negative binomial distribution
 * Negative multinomial distribution
 * Negative predictive value
 * Negative relationship
 * Negentropy
 * Neighbourhood components analysis
 * Neighbor joining
 * Nelson rules
 * Nelson–Aalen estimator
 * Nemenyi test
 * Nested case-control study
 * Nested sampling algorithm
 * Network probability matrix
 * Neutral vector
 * Newcastle–Ottawa scale
 * Newey–West estimator
 * Newman–Keuls method
 * Neyer d-optimal test
 * Neyman construction
 * Neyman–Pearson lemma
 * Nicholson–Bailey model
 * Nominal category
 * Noncentral beta distribution
 * Noncentral chi distribution
 * Noncentral chi-squared distribution
 * Noncentral F-distribution
 * Noncentral hypergeometric distributions
 * Noncentral t-distribution
 * Noncentrality parameter
 * Nonlinear autoregressive exogenous model
 * Nonlinear dimensionality reduction
 * Non-linear iterative partial least squares
 * Nonlinear regression
 * Non-homogeneous Poisson process
 * Non-linear least squares
 * Non-negative matrix factorization
 * Nonparametric skew
 * Non-parametric statistics
 * Non-response bias
 * Non-sampling error
 * Nonparametric regression
 * Nonprobability sampling
 * Normal curve equivalent
 * Normal distribution
 * Normal probability plot – see also rankit
 * Normal score – see also rankit and Z score
 * Normal variance-mean mixture
 * Normal-exponential-gamma distribution
 * Normal-gamma distribution
 * Normal-inverse Gaussian distribution
 * Normal-scaled inverse gamma distribution
 * Normality test
 * Normalization (statistics)
 * Notation in probability and statistics
 * Novikov's condition
 * np-chart
 * Null distribution
 * Null hypothesis
 * Null result
 * Nuisance parameter
 * Nuisance variable
 * Numerical data
 * Numerical methods for linear least squares
 * Numerical parameter – redirects to statistical parameter
 * Numerical smoothing and differentiation
 * Nuremberg Code

O

 * Observable variable
 * Observational equivalence
 * Observational error
 * Observational study
 * Observed information
 * Occupancy frequency distribution
 * Odds
 * Odds algorithm
 * Odds ratio
 * Official statistics
 * Ogden tables
 * Ogive (statistics)
 * Omitted-variable bias
 * Omnibus test
 * One- and two-tailed tests
 * One-class classification
 * One-factor-at-a-time method
 * One-tailed test – redirects to One- and two-tailed tests
 * One-way analysis of variance
 * Online NMF Online Non-negative Matrix Factorisation
 * Open-label trial
 * OpenEpi – software
 * OpenBUGS – software
 * Operational confound
 * Operational sex ratio
 * Operations research
 * Opinion poll
 * Optimal decision
 * Optimal design
 * Optimal discriminant analysis
 * Optimal matching
 * Optimal stopping
 * Optimality criterion
 * Optimistic knowledge gradient
 * Optional stopping theorem
 * Order of a kernel
 * Order of integration
 * Order statistic
 * Ordered logit
 * Ordered probit
 * Ordered subset expectation maximization
 * Ordinal regression
 * Ordinary least squares
 * Ordination (statistics)
 * Ornstein–Uhlenbeck process
 * Orthogonal array testing
 * Orthogonality
 * Orthogonality principle
 * Outlier
 * Outliers in statistics – redirects to Robust statistics (section)
 * Outliers ratio
 * Outline of probability
 * Outline of regression analysis
 * Outline of statistics
 * Overdispersion
 * Overfitting
 * Owen's T function
 * OxMetrics – software

P

 * p-chart
 * p-rep
 * P-value
 * P–P plot
 * Page's trend test
 * Paid survey
 * Paired comparison analysis
 * Paired difference test
 * Pairwise comparison
 * Pairwise independence
 * Panel analysis
 * Panel data
 * Panjer recursion – a class of discrete compound distributions
 * Paley–Zygmund inequality
 * Parabolic fractal distribution
 * PARAFAC (parallel factor analysis)
 * Parallel coordinates – graphical display of data
 * Parallel factor analysis – redirects to PARAFAC
 * Paradigm (experimental)
 * Parameter identification problem
 * Parameter space
 * Parametric family
 * Parametric model
 * Parametric statistics
 * Pareto analysis
 * Pareto chart
 * Pareto distribution
 * Pareto index
 * Pareto interpolation
 * Pareto principle
 * Park test
 * Partial autocorrelation – redirects to Partial autocorrelation function
 * Partial autocorrelation function
 * Partial correlation
 * Partial least squares
 * Partial least squares regression
 * Partial leverage
 * Partial regression plot
 * Partial residual plot
 * Particle filter
 * Partition of sums of squares
 * Parzen window
 * Path analysis (statistics)
 * Path coefficient
 * Path space (disambiguation)
 * Pattern recognition
 * Pearson's chi-squared test (one of various chi-squared tests)
 * Pearson distribution
 * Pearson product-moment correlation coefficient
 * Pedometric mapping
 * People v. Collins (prob/stats related court case)
 * Per capita
 * Per-comparison error rate
 * Per-protocol analysis
 * Percentile
 * Percentile rank
 * Periodic variation – redirects to Seasonality
 * Periodogram
 * Peirce's criterion
 * Pensim2 – an econometric model
 * Percentage point
 * Permutation test – redirects to Resampling (statistics)
 * Pharmaceutical statistics
 * Phase dispersion minimization
 * Phase-type distribution
 * Phi coefficient
 * Phillips–Perron test
 * Philosophy of probability
 * Philosophy of statistics
 * Pickands–Balkema–de Haan theorem
 * Pie chart
 * Piecewise-deterministic Markov process
 * Pignistic probability
 * Pinsker's inequality
 * Pitman closeness criterion
 * Pitman–Koopman–Darmois theorem
 * Pitman–Yor process
 * Pivotal quantity
 * Placebo-controlled study
 * Plackett–Burman design
 * Plate notation
 * Plot (graphics)
 * Pocock boundary
 * Poincaré plot
 * Point-biserial correlation coefficient
 * Point estimation
 * Point pattern analysis
 * Point process
 * Poisson binomial distribution
 * Poisson distribution
 * Poisson hidden Markov model
 * Poisson limit theorem
 * Poisson process
 * Poisson regression
 * Poisson random numbers – redirects to section of Poisson distribution
 * Poisson sampling
 * Polar distribution – see Circular distribution
 * Policy capturing
 * Political forecasting
 * Pollaczek–Khinchine formula
 * Pollyanna Creep
 * Polykay
 * Poly-Weibull distribution
 * Polychoric correlation
 * Polynomial and rational function modeling
 * Polynomial chaos
 * Polynomial regression
 * Polytree (Bayesian networks)
 * Pooled standard deviation – redirects to Pooled variance
 * Pooling design
 * Popoviciu's inequality on variances
 * Population
 * Population dynamics
 * Population ecology – application
 * Population modeling
 * Population process
 * Population pyramid
 * Population statistics
 * Population variance
 * Population viability analysis
 * Portmanteau test
 * Positive predictive value
 * Post-hoc analysis
 * Posterior predictive distribution
 * Posterior probability
 * Power law
 * Power transform
 * Prais–Winsten estimation
 * Pre- and post-test probability
 * Precision (statistics)
 * Precision and recall
 * Prediction interval
 * Predictive analytics
 * Predictive inference
 * Predictive informatics
 * Predictive intake modelling
 * Predictive modelling
 * Predictive validity
 * Preference regression (in marketing)
 * Preferential attachment process – see Preferential attachment
 * PRESS statistic
 * Prevalence
 * Principal component analysis
 * Multilinear principal-component analysis
 * Principal component regression
 * Principal geodesic analysis
 * Principal stratification
 * Principle of indifference
 * Principle of marginality
 * Principle of maximum entropy
 * Prior knowledge for pattern recognition
 * Prior probability
 * Prior probability distribution – redirects to Prior probability
 * Probabilistic causation
 * Probabilistic design
 * Probabilistic forecasting
 * Probabilistic latent semantic analysis
 * Probabilistic metric space
 * Probabilistic proposition
 * Probabilistic relational model
 * Probability
 * Probability bounds analysis
 * Probability box
 * Probability density function
 * Probability distribution
 * Probability distribution function (disambiguation)
 * Probability integral transform
 * Probability interpretations
 * Probability mass function
 * Probability matching
 * Probability metric
 * Probability of error
 * Probability of precipitation
 * Probability plot
 * Probability plot correlation coefficient – redirects to Q–Q plot
 * Probability plot correlation coefficient plot
 * Probability space
 * Probability theory
 * Probability-generating function
 * Probable error
 * Probit
 * Probit model
 * Procedural confound
 * Process control
 * Process Window Index
 * Procrustes analysis
 * Proebsting's paradox
 * Product distribution
 * Product form solution
 * Profile likelihood – redirects to Likelihood function
 * Progressively measurable process
 * Prognostics
 * Projection pursuit
 * Projection pursuit regression
 * Proof of Stein's example
 * Propagation of uncertainty
 * Propensity probability
 * Propensity score
 * Propensity score matching
 * Proper linear model
 * Proportional hazards models
 * Proportional reduction in loss
 * Prosecutor's fallacy
 * Proxy (statistics)
 * Psephology
 * Pseudo-determinant
 * Pseudo-random number sampling
 * Pseudocount
 * Pseudolikelihood
 * Pseudomedian
 * Pseudoreplication
 * PSPP (free software)
 * Psychological statistics
 * Psychometrics
 * Pythagorean expectation

Q

 * Q test
 * Q-exponential distribution
 * Q-function
 * Q-Gaussian distribution
 * Q–Q plot
 * Q-statistic (disambiguation)
 * Quadrat
 * Quadrant count ratio
 * Quadratic classifier
 * Quadratic form (statistics)
 * Quadratic variation
 * Qualitative comparative analysis
 * Qualitative data
 * Qualitative variation
 * Quality control
 * Quantile
 * Quantile function
 * Quantile normalization
 * Quantile regression
 * Quantile-parameterized distribution
 * Quantitative marketing research
 * Quantitative psychological research
 * Quantitative research
 * Quartile
 * Quartile coefficient of dispersion
 * Quasi-birth–death process
 * Quasi-experiment
 * Quasi-experimental design – see Design of quasi-experiments
 * Quasi-likelihood
 * Quasi-maximum likelihood
 * Quasireversibility
 * Quasi-variance
 * Questionnaire
 * Queueing model
 * Queueing theory
 * Queuing delay
 * Queuing theory in teletraffic engineering
 * Quota sampling

R

 * R programming language – see R (programming language)
 * R v Adams (prob/stats related court case)
 * Radar chart
 * Rademacher distribution
 * Radial basis function network
 * Raikov's theorem
 * Raised cosine distribution
 * Ramaswami's formula
 * Ramsey RESET test – the Ramsey Regression Equation Specification Error Test
 * Rand index
 * Random assignment
 * Random compact set
 * Random data – see randomness
 * Random effects estimation – see Random effects model
 * Random effects model
 * Random element
 * Random field
 * Random function
 * Random graph
 * Random matrix
 * Random measure
 * Random multinomial logit
 * Random naive Bayes
 * Random permutation statistics
 * Random regular graph
 * Random sample
 * Random sampling
 * Random sequence
 * Random variable
 * Random variate
 * Random walk
 * Random walk hypothesis
 * Randomization
 * Randomized block design
 * Randomized controlled trial
 * Randomized decision rule
 * Randomized experiment
 * Randomized response
 * Randomness
 * Randomness tests
 * Range (statistics)
 * Rank abundance curve
 * Rank correlation mainly links to two following
 * Spearman's rank correlation coefficient
 * Kendall tau rank correlation coefficient
 * Rank product
 * Rank-size distribution
 * Ranking
 * Rankit
 * Ranklet
 * RANSAC
 * Rao–Blackwell theorem
 * Rao-Blackwellisation – see Rao–Blackwell theorem
 * Rasch model
 * Polytomous Rasch model
 * Rasch model estimation
 * Ratio distribution
 * Ratio estimator
 * Rational quadratic covariance function
 * Rayleigh distribution
 * Rayleigh mixture distribution
 * Raw score
 * Realization (probability)
 * Recall bias
 * Receiver operating characteristic
 * Reciprocal distribution
 * Rectified Gaussian distribution
 * Recurrence period density entropy
 * Recurrence plot
 * Recurrence quantification analysis
 * Recursive Bayesian estimation
 * Recursive least squares
 * Recursive partitioning
 * Reduced form
 * Reference class problem
 * Reflected Brownian motion
 * Regenerative process
 * Regression analysis – see also linear regression
 * Regression Analysis of Time Series – proprietary software
 * Regression control chart
 * Regression diagnostic
 * Regression dilution
 * Regression discontinuity design
 * Regression estimation
 * Regression fallacy
 * Regression-kriging
 * Regression model validation
 * Regression toward the mean
 * Regret (decision theory)
 * Reification (statistics)
 * Rejection sampling
 * Relationships among probability distributions
 * Relative change and difference
 * Relative efficiency – redirects to Efficiency (statistics)
 * Relative index of inequality
 * Relative likelihood
 * Relative risk
 * Relative risk reduction
 * Relative standard deviation
 * Relative standard error – redirects to Relative standard deviation
 * Relative variance – redirects to Relative standard deviation
 * Relative survival
 * Relativistic Breit–Wigner distribution
 * Relevance vector machine
 * Reliability (statistics)
 * Reliability block diagram
 * Reliability engineering
 * Reliability theory
 * Reliability theory of aging and longevity
 * Rencontres numbers – a discrete distribution
 * Renewal theory
 * Repeatability
 * Repeated measures design
 * Replication (statistics)
 * Representation validity
 * Reproducibility
 * Resampling (statistics)
 * Rescaled range
 * Resentful demoralization – experimental design
 * Residual. See errors and residuals in statistics.
 * Residual sum of squares
 * Response bias
 * Response rate (survey)
 * Response surface methodology
 * Response variable
 * Restricted maximum likelihood
 * Restricted randomization
 * Reversible-jump Markov chain Monte Carlo
 * Reversible dynamics
 * Rind et al. controversy – interpretations of paper involving meta-analysis
 * Rice distribution
 * Richardson–Lucy deconvolution
 * Ridge regression – redirects to Tikhonov regularization
 * Ridit scoring
 * Risk adjusted mortality rate
 * Risk factor
 * Risk function
 * Risk perception
 * Risk theory
 * Risk–benefit analysis
 * Robbins lemma
 * Robust Bayesian analysis
 * Robust confidence intervals
 * Robust measures of scale
 * Robust regression
 * Robust statistics
 * Root mean square
 * Root-mean-square deviation
 * Root mean square deviation (bioinformatics)
 * Root mean square fluctuation
 * Ross's conjecture
 * Rossmo's formula
 * Rothamsted Experimental Station
 * Round robin test
 * Rubin causal model
 * Ruin theory
 * Rule of succession
 * Rule of three (medicine)
 * Run chart
 * RV coefficient

S

 * S (programming language)
 * S-PLUS
 * Safety in numbers
 * Sally Clark (prob/stats related court case)
 * Sammon projection
 * Sample mean and covariance – redirects to Sample mean and sample covariance
 * Sample mean and sample covariance
 * Sample maximum and minimum
 * Sample size determination
 * Sample space
 * Sample (statistics)
 * Sample-continuous process
 * Sampling (statistics)
 * Simple random sampling
 * Snowball sampling
 * Systematic sampling
 * Stratified sampling
 * Cluster sampling
 * distance sampling
 * Multistage sampling
 * Nonprobability sampling
 * Slice sampling
 * Sampling bias
 * Sampling design
 * Sampling distribution
 * Sampling error
 * Sampling fraction
 * Sampling frame
 * Sampling probability
 * Sampling risk
 * Samuelson's inequality
 * Sargan test
 * SAS (software)
 * SAS language
 * SAS System – see SAS (software)
 * Savitzky–Golay smoothing filter
 * Sazonov's theorem
 * Saturated array
 * Scale analysis (statistics)
 * Scale parameter
 * Scaled-inverse-chi-squared distribution
 * Scaling pattern of occupancy
 * Scatter matrix
 * Scatter plot
 * Scatterplot smoothing
 * Scheffé's method
 * Scheirer–Ray–Hare test
 * Schilder's theorem
 * Schramm–Loewner evolution
 * Schuette–Nesbitt formula
 * Schwarz criterion
 * Score (statistics)
 * Score test
 * Scoring algorithm
 * Scoring rule
 * SCORUS
 * Scott's Pi
 * SDMX – a standard for exchanging statistical data
 * Seasonal adjustment
 * Seasonality
 * Seasonal subseries plot
 * Seasonal variation
 * Seasonally adjusted annual rate
 * Second moment method
 * Secretary problem
 * Secular variation
 * Seed-based d mapping
 * Seemingly unrelated regressions
 * Seismic to simulation
 * Selection bias
 * Selective recruitment
 * Self-organizing map
 * Self-selection bias
 * Self-similar process
 * Segmented regression
 * Seismic inversion
 * Self-similarity matrix
 * Semantic mapping (statistics)
 * Semantic relatedness
 * Semantic similarity
 * Semi-Markov process
 * Semi-log graph
 * Semidefinite embedding
 * Semimartingale
 * Semiparametric model
 * Semiparametric regression
 * Semivariance
 * Sensitivity (tests)
 * Sensitivity analysis
 * Sensitivity and specificity
 * Sensitivity index
 * Separation test
 * Sequential analysis
 * Sequential estimation
 * Sequential Monte Carlo methods – redirects to Particle filter
 * Sequential probability ratio test
 * Serial dependence
 * Seriation (archaeology)
 * SETAR (model) – a time series model
 * Sethi model
 * Seven-number summary
 * Sexual dimorphism measures
 * Shannon–Hartley theorem
 * Shape of the distribution
 * Shape parameter
 * Shapiro–Wilk test
 * Sharpe ratio
 * SHAZAM (software)
 * Shewhart individuals control chart
 * Shifted Gompertz distribution
 * Shifted log-logistic distribution
 * Shifting baseline
 * Shrinkage (statistics)
 * Shrinkage estimator
 * Sichel distribution
 * Siegel–Tukey test
 * Sieve estimator
 * Sigma-algebra
 * SigmaStat – software
 * Sign test
 * Signal-to-noise ratio
 * Signal-to-noise statistic
 * Significance analysis of microarrays
 * Silhouette (clustering)
 * Simfit – software
 * Similarity matrix
 * Simon model
 * Simple linear regression
 * Simple moving average crossover
 * Simple random sample
 * Simpson's paradox
 * Simulated annealing
 * Simultaneous equation methods (econometrics)
 * Simultaneous equations model
 * Single equation methods (econometrics)
 * Single-linkage clustering
 * Singular distribution
 * Singular spectrum analysis
 * Sinusoidal model
 * Sinkov statistic
 * Size (statistics)
 * Skellam distribution
 * Skew normal distribution
 * Skewness
 * Skorokhod's representation theorem
 * Slash distribution
 * Slice sampling
 * Sliced inverse regression
 * Slutsky's theorem
 * Small area estimation
 * Smearing retransformation
 * Smoothing
 * Smoothing spline
 * Smoothness (probability theory)
 * Snowball sampling
 * Sobel test
 * Social network change detection
 * Social statistics
 * SOFA Statistics – software
 * Soliton distribution – redirects to Luby transform code
 * Somers' D
 * Sørensen similarity index
 * Spaghetti plot
 * Sparse binary polynomial hashing
 * Sparse PCA – sparse principal components analysis
 * Sparsity-of-effects principle
 * Spatial analysis
 * Spatial dependence
 * Spatial descriptive statistics
 * Spatial distribution
 * Spatial econometrics
 * Spatial statistics – redirects to Spatial analysis
 * Spatial variability
 * Spearman's rank correlation coefficient
 * Spearman–Brown prediction formula
 * Species discovery curve
 * Specification (regression) – redirects to Statistical model specification
 * Specificity (tests)
 * Spectral clustering – (cluster analysis)
 * Spectral density
 * Spectral density estimation
 * Spectrum bias
 * Spectrum continuation analysis
 * Speed prior
 * Spherical design
 * Split normal distribution
 * SPRT – redirects to Sequential probability ratio test
 * SPSS – software
 * SPSS Clementine – software (data mining)
 * Spurious relationship
 * Square root biased sampling
 * Squared deviations
 * St. Petersburg paradox
 * Stability (probability)
 * Stable distribution
 * Stable and tempered stable distributions with volatility clustering – financial applications
 * Standard deviation
 * Standard error
 * Standard normal deviate
 * Standard normal table
 * Standard probability space
 * Standard score
 * Standardized coefficient
 * Standardized moment
 * Standardised mortality rate
 * Standardized mortality ratio
 * Standardized rate
 * Stanine
 * STAR model – a time series model
 * Star plot – redirects to Radar chart
 * Stata
 * State space representation
 * Statgraphics – software
 * Static analysis
 * Stationary distribution
 * Stationary ergodic process
 * Stationary process
 * Stationary sequence
 * Stationary subspace analysis
 * Statistic
 * STATISTICA – software
 * Statistical arbitrage
 * Statistical assembly
 * Statistical assumption
 * Statistical benchmarking
 * Statistical classification
 * Statistical conclusion validity
 * Statistical consultant
 * Statistical deviance – see deviance (statistics)
 * Statistical dispersion
 * Statistical distance
 * Statistical efficiency
 * Statistical epidemiology
 * Statistical estimation – redirects to Estimation theory
 * Statistical finance
 * Statistical genetics – redirects to population genetics
 * Statistical geography
 * Statistical graphics
 * Statistical hypothesis testing
 * Statistical independence
 * Statistical inference
 * Statistical interference
 * Statistical Lab – software
 * Statistical learning theory
 * Statistical literacy
 * Statistical model
 * Statistical model specification
 * Statistical model validation
 * Statistical noise
 * Statistical package
 * Statistical parameter
 * Statistical parametric mapping
 * Statistical parsing
 * Statistical population
 * Statistical power
 * Statistical probability
 * Statistical process control
 * Statistical proof
 * Statistical randomness
 * Statistical range – see range (statistics)
 * Statistical regularity
 * Statistical relational learning
 * Statistical sample
 * Statistical semantics
 * Statistical shape analysis
 * Statistical signal processing
 * Statistical significance
 * Statistical survey
 * Statistical syllogism
 * Statistical theory
 * Statistical unit
 * Statisticians' and engineers' cross-reference of statistical terms
 * Statistics
 * Statistics education
 * Statistics Online Computational Resource – training materials
 * StatPlus
 * StatXact – software
 * Stein's example
 * Proof of Stein's example
 * Stein's lemma
 * Stein's unbiased risk estimate
 * Steiner system
 * Stemplot – see Stem-and-leaf display
 * Step detection
 * Stepwise regression
 * Stieltjes moment problem
 * Stimulus-response model
 * Stochastic
 * Stochastic approximation
 * Stochastic calculus
 * Stochastic convergence
 * Stochastic differential equation
 * Stochastic dominance
 * Stochastic drift
 * Stochastic equicontinuity
 * Stochastic gradient descent
 * Stochastic grammar
 * Stochastic investment model
 * Stochastic kernel estimation
 * Stochastic matrix
 * Stochastic modelling (insurance)
 * Stochastic optimization
 * Stochastic ordering
 * Stochastic process
 * Stochastic rounding
 * Stochastic simulation
 * Stopped process
 * Stopping time
 * Stratified sampling
 * Stratonovich integral
 * Streamgraph
 * Stress majorization
 * Strong law of small numbers
 * Strong prior
 * Structural break
 * Structural equation modeling
 * Structural estimation
 * Structured data analysis (statistics)
 * Studentized range
 * Studentized residual
 * Student's t-distribution
 * Student's t-statistic
 * Student's t-test
 * Student's t-test for Gaussian scale mixture distributions – see Location testing for Gaussian scale mixture distributions
 * Studentization
 * Study design
 * Study heterogeneity
 * Subcontrary mean – redirects to Harmonic mean
 * Subgroup analysis
 * Subindependence
 * Substitution model
 * SUDAAN – software
 * Sufficiency (statistics) – see Sufficient statistic
 * Sufficient dimension reduction
 * Sufficient statistic
 * Sum of normally distributed random variables
 * Sum of squares (disambiguation) – general disambiguation
 * Sum of squares (statistics) – see Partition of sums of squares
 * Summary statistic
 * Support curve
 * Support vector machine
 * Surrogate model
 * Survey data collection
 * Survey sampling
 * Survey methodology
 * Survival analysis
 * Survival rate
 * Survival function
 * Survivorship bias
 * Symmetric design
 * Symmetric mean absolute percentage error
 * SYSTAT – software
 * System dynamics
 * System identification
 * Systematic error (also see bias (statistics) and errors and residuals in statistics)
 * Systematic review

T

 * t-distribution – see Student's t-distribution (includes table)
 * T distribution (disambiguation)
 * t-statistic
 * Tag cloud – graphical display of info
 * Taguchi loss function
 * Taguchi methods
 * Tajima's D
 * Taleb distribution
 * Tampering (quality control)
 * Taylor expansions for the moments of functions of random variables
 * Taylor's law – empirical variance-mean relations
 * Telegraph process
 * Test for structural change
 * Test–retest reliability
 * Test score
 * Test set
 * Test statistic
 * Testimator
 * Testing hypotheses suggested by the data
 * Text analytics
 * The Long Tail – possibly seminal magazine article
 * The Unscrambler – software
 * Theil index
 * Theil–Sen estimator
 * Theory of conjoint measurement
 * Therapeutic effect
 * Thompson sampling
 * Three-point estimation
 * Three-stage least squares
 * Threshold model
 * Thurstone scale
 * Thurstonian model
 * Time–frequency analysis
 * Time–frequency representation
 * Time reversibility
 * Time series
 * Time-series regression
 * Time use survey
 * Time-varying covariate
 * Timeline of probability and statistics
 * TinkerPlots – proprietary software for schools
 * Tobit model
 * Tolerance interval
 * Top-coded
 * Topic model (statistical natural language processing)
 * Topological data analysis
 * Tornqvist index
 * Total correlation
 * Total least squares
 * Total sum of squares
 * Total survey error
 * Total variation distance – a statistical distance measure
 * TPL Tables – software
 * Tracy–Widom distribution
 * Traffic equations
 * Training set
 * Transect
 * Transferable belief model
 * Transiogram
 * Transition rate matrix
 * Treatment and control groups
 * Trend analysis
 * Trend estimation
 * Trend-stationary process
 * Treynor ratio
 * Triangular distribution
 * Trimean
 * Trimmed estimator
 * Trispectrum
 * True experiment
 * True variance
 * Truncated distribution
 * Truncated mean
 * Truncated normal distribution
 * Truncated regression model
 * Truncation (statistics)
 * Tsallis distribution
 * Tsallis statistics
 * Tschuprow's T
 * Tucker decomposition
 * Tukey's range test – multiple comparisons
 * Tukey's test of additivity – interaction in two-way anova
 * Tukey–Duckworth test
 * Tukey–Kramer method
 * Tukey lambda distribution
 * Tweedie distribution
 * Twisting properties
 * Two stage least squares – redirects to Instrumental variable
 * Two-tailed test
 * Two-way analysis of variance
 * Type I and type II errors
 * Type-1 Gumbel distribution
 * Type-2 Gumbel distribution
 * Tyranny of averages

U

 * u-chart
 * U-quadratic distribution
 * U-statistic
 * U test
 * Umbrella sampling
 * Unbiased estimator – see bias (statistics)
 * Unbiased estimation of standard deviation
 * Uncertainty
 * Uncertainty coefficient
 * Uncertainty quantification
 * Uncomfortable science
 * Uncorrelated
 * Underdispersion – redirects to Overdispersion
 * Underfitting – redirects to Overfitting
 * Underprivileged area score
 * Unevenly spaced time series
 * Unexplained variation – see Explained variation
 * Uniform distribution (continuous)
 * Uniform distribution (discrete)
 * Uniformly most powerful test
 * Unimodal distribution – redirects to Unimodal function (has some stats context)
 * Unimodality
 * Unit (statistics)
 * Unit of observation
 * Unit root
 * Unit root test
 * Unit-weighted regression
 * Unitized risk
 * Univariate
 * Univariate analysis
 * Univariate distribution
 * Unmatched count
 * Unseen species problem
 * Unsolved problems in statistics
 * Upper and lower probabilities
 * Upside potential ratio – finance
 * Urn problem
 * Ursell function
 * Utility maximization problem
 * Utilization distribution

V

 * Validity (statistics)
 * Van der Waerden test
 * Van Houtum distribution
 * Vapnik–Chervonenkis theory
 * Varadhan's lemma
 * Variable
 * Variable kernel density estimation
 * Variable-order Bayesian network
 * Variable-order Markov model
 * Variable rules analysis
 * Variance
 * Variance decomposition of forecast errors
 * Variance gamma process
 * Variance inflation factor
 * Variance-gamma distribution
 * Variance reduction
 * Variance-stabilizing transformation
 * Variance-to-mean ratio
 * Variation ratio
 * Variational Bayesian methods
 * Variational message passing
 * Variogram
 * Varimax rotation
 * Vasicek model
 * VC dimension
 * VC theory
 * Vector autoregression
 * VEGAS algorithm
 * Violin plot
 * ViSta – Software, see ViSta, The Visual Statistics system
 * Voigt profile
 * Volatility (finance)
 * Volcano plot (statistics)
 * Von Mises distribution
 * Von Mises–Fisher distribution
 * V-optimal histograms
 * V-statistic
 * Vuong's closeness test
 * Vysochanskiï–Petunin inequality

W

 * Wait list control group
 * Wald distribution – redirects to Inverse Gaussian distribution
 * Wald test
 * Wald–Wolfowitz runs test
 * Wallenius' noncentral hypergeometric distribution
 * Wang and Landau algorithm
 * Ward's method
 * Watterson estimator
 * Watts and Strogatz model
 * Weibull chart – redirects to Weibull distribution
 * Weibull distribution
 * Weibull modulus
 * Weight function
 * Weighted median
 * Weighted covariance matrix – redirects to Sample mean and sample covariance
 * Weighted mean
 * Weighted sample – redirects to Sample mean and sample covariance
 * Welch's method – spectral density estimation
 * Welch's t test
 * Welch–Satterthwaite equation
 * Well-behaved statistic
 * Wick product
 * Wilks' lambda distribution
 * Wilks' theorem – redirects to section of Likelihood-ratio test
 * Winsorized mean
 * Whipple's index
 * White test
 * White noise
 * Wide and narrow data
 * Wiener deconvolution
 * Wiener filter
 * Wiener process
 * Wigner quasi-probability distribution
 * Wigner semicircle distribution
 * Wike's law of low odd primes
 * Wilcoxon signed-rank test
 * Will Rogers phenomenon
 * WinBUGS – software
 * Window function
 * Winpepi – software
 * Winsorising
 * Wishart distribution
 * Wold's theorem
 * Wombling
 * Working–Hotelling procedure
 * World Programming System – software
 * Wrapped Cauchy distribution
 * Wrapped distribution
 * Wrapped exponential distribution
 * Wrapped normal distribution
 * Wrapped Lévy distribution
 * Writer invariant

X

 * X-12-ARIMA
 * $\bar x$ chart
 * $\bar x$ and R chart
 * $\bar x$ and s chart
 * XLispStat – software
 * XploRe – software

Y

 * Yamartino method
 * Yates analysis
 * Yates's correction for continuity
 * Youden's J statistic
 * Yule–Simon distribution

Z

 * z-score
 * z-factor
 * z statistic
 * Z-test
 * Z-transform
 * Zakai equation
 * Zelen's design
 * Zero degrees of freedom
 * Zero–one law (disambiguation)
 * Zeta distribution
 * Ziggurat algorithm
 * Zipf–Mandelbrot law – a discrete distribution
 * Zipf's law