t test with drastically different sample sizes
111953
Independent samples t-test with unequal sample sizes
152404
Why does t statistic increase with the sample size?
127435
Estimating parameters of Student's t-distribution
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?
89241
Bootstrap sample with size greater than the original sample
80568
Using wilcox.test() and t.test() in R yielding different p-values
82287
Choosing between $z$-test and $t$-test
27706
Explaining two-tailed tests
69616
Significance contradiction in linear regression: significant t-test for a coefficient vs non-significant overall F-statistic
37710
Test for bimodal distribution
101468
t.test returns an error "data are essentially constant"
14138
Normality test with large data set
50996
Why use a z test rather than a t test with proportional data?
121678
What if the P-Value is less than 0.05, but the test statistic is also less than the critical value?
131642
How to check for normal distribution using Excel for performing a t-test?
27797
Is there a t-test equivalent to Stouffer's z-test?
30821
Should confidence intervals for linear regression coefficients be based on the normal or $t$ distribution?