User talk:Johnnylioltu

March 2015
Hello, I'm RolandR. I wanted to let you know that I undid one or more of your recent contributions to Type I and type II errors because it did not appear constructive. If you would like to experiment, please use the sandbox. If you think I made a mistake, or if you have any questions, you can leave me a message on my talk page. Thanks. RolandR (talk) 23:57, 18 March 2015 (UTC)