## Non-parametric statistics

#### A non-parametric test is used in the case of non-normality (and thus often with smaller groups). An explanation about non-parametric tests with info about the following tests:

- 0:00 – 15:45 over Mann-Whitney for two independent samples

15:45 – 23:00 over Wilcoxon signed rank test for related samples

23:00 – end over Kruskal-Wallis test for multiple independent samples