The null hypothesis for the Wilcoxon matched-pairs signed-ranks T test is that the
A) sample means are the same
B) sample distributions are the same
C) population distributions are the same
D) population means are the same.

Question

Quizplus · Accepted Answer

The null hypothesis for the Wilcoxon matched-pairs signed-ranks T test is that the population distributions are the same. This non-parametric test compares the median differences between pairs of samples, not their means or distributions directly.

The Null Hypothesis for the Wilcoxon Matched-Pairs Signed-Ranks T Test