The Wilcoxon signed-rank test is used to test which of the following types of hypotheses?
A) It is used to test hypotheses involving the median of paired samples.
B) It is used to test hypotheses involving three or more population medians.
C) It is used to test hypotheses involving the variances of two or more populations.
D) It is used to test hypotheses involving the variances of paired samples.
E) It is used to test hypotheses involving two or more population proportions.

Question

Quizplus · Accepted Answer

The Wilcoxon signed-rank test is used to test hypotheses involving the median of paired samples. It is a nonparametric test used when the data is not normally distributed.

The Wilcoxon Signed-Rank Test Is Used to Test Which of the Following