Which of the following tests might be used to compare the means of two populations if the samples are related?
A)Mann-Whitney test
B)Wilcoxon test
C)Runs test
D)Spearman's test
E)Kruskal-Wallis test

Question

Quizplus · Accepted Answer

The Wilcoxon test is a nonparametric test that is used to compare the means of two related populations (i.e. paired samples). The other options listed are nonparametric tests, but they are used to compare the means of two independent populations (i.e. unpaired samples).

Which of the Following Tests Might Be Used to Compare