When should one use the Welch's T-test?
125189
When conducting a t-test why would one prefer to assume (or test for) equal variances rather than always use a Welch approximation of the df?
4677
What is the meaning of p values and t values in statistical tests?
45632
Correlation coefficient contradicts t-test
24148
Significance tests
65565
Multiple t-tests vs. one-way ANOVA
74477
T-test for non normal when N>50?
38401
When should I use  or >()?
59361
Can a paired (or two group) t-test test if the difference between two means is less than a specific value?
45891
When (and why) should you take the log of a distribution (of numbers)?
152404
Why does t statistic increase with the sample size?
147303
t-test on highly skewed data
131892
How do you tell if you should use a one-tailed test or a two-tailed test in a t-test?
2586
Which statistical test to analyse?
82287
Choosing between $z$-test and $t$-test
50996
Why use a z test rather than a t test with proportional data?
48775
Opinions on a statistical error in p values (re: standard deviations, t-test/Kruskal-Wallis) in a published study?
46938
Critical region for testing a hypothesis with exponential data.