Which statement is false about the Wilcoxon signed-ranks test?
A) It is used for testing a claim that a population of matched pairs has the property that the
Matched pairs have differences with a median equal to zero.
B) It is used for testing a claim that a single population of individual values has a median
Equal to some claimed value.
C) It is used for testing a claim that a single population of individual values has a mean
Equal to some claimed value.
D) It is a nonparametric test.

Question

Quizplus · Accepted Answer

The Wilcoxon signed-ranks test is a nonparametric test used for comparing median differences between paired samples or a single sample median against a hypothetical median. It does not test claims about means, making option C false.

Which Statement Is False About the Wilcoxon Signed-Ranks Test