Which nonparametric test is analogous to a parametric k-sample test for means?
A)Kruskal-Wallis test
B)Wilcoxon signed-rank test
C)Wilcoxon rank sum (Mann-Whitney) test
D)Wald-Wolfowitz one-sample runs test

Question

Quizplus · Accepted Answer

The Kruskal-Wallis test is analogous to the parametric k-sample test for means as it tests whether the medians of multiple groups are equal or not. Just as the k-sample test for means compares the means of multiple groups, the Kruskal-Wallis test compares their medians.

Which Nonparametric Test Is Analogous to a Parametric K-Sample Test