Weak correlation but significant t test
45632
Correlation coefficient contradicts t-test
48101
Correlation and skewness
5198
Is it possible to combine the F-test and t-test to test for differences in both the variance and the mean?
131642
How to check for normal distribution using Excel for performing a t-test?
1481
Comparing multiple mean scores using t-Test
34133
Mann-Whitney-Wilcoxon Test on highly unbalanced groups.
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?
59361
Can a paired (or two group) t-test test if the difference between two means is less than a specific value?
106646
Prove F test is equal to T test squared
34774
cross-correlation with time lag
91753
t-test or z-test: assume normality or s≈σ?
3397
R: linear regression: very small coefficient and R-squared but significant P values
83371
Pearson's or Spearman's correlation with non-normal data
72624
Paired t-test when each data point was repeatedly measured different number of times?
55841
Fisher's exact test: 95% CI or p-value
82287
Choosing between $z$-test and $t$-test
104142
How to choose significance level for a large data set?