Which of the following is a nonparametric method that is equivalent to the Wilcoxon rank sum test?
A) the Wilcoxon signed-rank sum test
B) the Friedman test
C) the Kruskal-Wallis test
D) the Mann-Whitney test

Question

Quizplus · Accepted Answer

The Mann-Whitney test is equivalent to the Wilcoxon rank sum test, as they both compare two independent samples. The Wilcoxon signed-rank sum test is for paired samples, the Friedman test is for comparing three or more dependent samples, and the Kruskal-Wallis test is for comparing three or more independent samples.

Which of the Following Is a Nonparametric Method That Is