Which of the following is the nonparametric counterpart of the parametric one-way analysis of variance F-test?
A) the Kruskal-Wallis test
B) the Friedman test
C) the Wilcoxon rank sum test
D) the Wilcoxon signed-rank sum test

Question

Quizplus · Accepted Answer

The Kruskal-Wallis test is the nonparametric counterpart of the parametric one-way analysis of variance F-test. It is used to test whether there are differences in the medians of two or more groups. The Friedman test is used to compare three or more related samples, while the Wilcoxon rank sum and Wilcoxon signed-rank sum tests are used to compare two groups.

Which of the Following Is the Nonparametric Counterpart of the Parametric