How is a Mann-Whitney U test and a Wilcoxon Signed-Rank test different?
A) the Mann Whitney U test is used on matched data and the Wilcoxon Signed-Rank test is not.
B) The Mann-Whitney U test is a parametric procedure, and the Wilcoxon Signed-Rank test is a nonparametric procedure.
C) The Mann-Whitney U test is used on 3 or more groups, and the Wilcoxon Signed-Rank test is used to test for relationships
D) The Mann-Whitney U test is used for two independent groups and the Wilcoxon Signed-Rank test is used for paired or matched data.

Question

Quizplus · Accepted Answer

The Mann-Whitney U test is used for two independent groups, while the Wilcoxon Signed-Rank test is used for paired or matched data. The other options (A, B, and C) are incorrect.

How Is a Mann-Whitney U Test and a Wilcoxon Signed-Rank