6.5 Non-Parametric Tests
6.5 Non-Parametric Tests contains 2 topic pages in Phase 6 — Statistical Analysis & Data Interpretation.
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6.5.1 The Mann-Whitney U Test and Wilcoxon Signed-Rank Test
The Mann-Whitney U test (also known as the Wilcoxon rank-sum test) is the non-parametric analogue of the unpaired t-test, comparing the rank distributions...
6.5.2 The Kruskal-Wallis Test
The Kruskal-Wallis test extends the logic of the Mann-Whitney U test to more than two independent groups, serving as the non-parametric analogue of one-way...