Looks like no one added any tags here yet for you.
Independent Samples T-Test
Compares means of two unrelated groups to test for population mean differences.
Paired Samples T-Test
Compares means of related groups, like before and after measurements in the same group.
Mann-Whitney U Test
Non-parametric alternative to independent samples t-test, compares two independent groups based on ranks.
Wilcoxon Signed-Rank Test
Non-parametric alternative to paired samples t-test, used for related pairs of samples.