User talk:Shenshanpku

November 2015
Hello, I'm Plantsurfer. I noticed that you made a change to an article, Chi-squared distribution, but you didn't provide a reliable source. It's been removed and archived in the page history for now, but if you'd like to include a citation and re-add it, please do so! If you need guidance on referencing, please see the referencing for beginners tutorial, or if you think I made a mistake, you can leave me a message on my talk page. If you think the equation is incorrect please first discuss the problem on the talk page and obtain the other editor's consensus for change  Plant surfer  15:08, 22 November 2015 (UTC)