curprev05:5605:56, 19 February 2022 Ffffrrtalkcontribs 12,113 bytes+159 Adding local short description: "Statistical test for which the distribution of the test statistic under the null hypothesis can be approximated by a normal distribution", overriding Wikidata description "any statistical test for which the distribution of the test statistic under the null hypothesis can be approximated by a normal distribution" (Shortdesc helper)undo
curprev15:1615:16, 6 December 2019 Jehochmantalkcontribs 11,893 bytes−35 Use talk page to suggest improvements. Please avoid tag bombing for trivial complaints that do not go to article reliability. I am reviewing this article for reliability.undo
curprev21:3921:39, 17 November 2019 Tonyopttalkcontribs 11,759 bytes−2 1.Edit the introduction paragraph, examples of the comparison between the Z-test and student t-test. 2. Organize the second paragraph with numbered steps and equations. 3. Add an insight into the difference between Z-test and t-test, and make the location testing part more organized.undoTag: Visual edit
