BEPAS Comparing two groups: numerical data

Unpaired tests:

Normal distribution of the sample means? Test —————————————- ————- Yes -> Parametric test Independent samples t-test t.test()
No -> Non-parametric test Wilcoxon wilcox.test() —————————————- ————-

Comparing two groups: numerical data

Paired tests:

Normal distribution of mean of differences of the sample? Test
—————————————————– ————- Yes -> Parametric test Paired samples t-test t.test(…,paired=TRUE)
No -> Non-parametric test Wilcoxon signed rank wilcox.test(…, paired=TRUE) —————————————————– ————-

Watch this video for more information about the above table¹