The non-parametric alternative to the independent groups one-way ANOVA is the:
A) Wilcoxon signed-ranked test
B) Kruskal-Wallis test
C) Welch's t-test
D) Wilcoxon rank-sum test

Question

Quizplus · Accepted Answer

The Kruskal-Wallis test is used to test for differences between three or more independent groups when the data is not normally distributed. It is the non-parametric equivalent of the one-way ANOVA. Therefore, it is the appropriate non-parametric alternative in this scenario.

The Non-Parametric Alternative to the Independent Groups One-Way ANOVA Is