Choose the One Alternative That Best Completes the Statement or Answers

Essay

Choose the one alternative that best completes the statement or answers the question.
-The Wilcoxon Matched-Pairs Signed-Ranks Test is a test of
A) the median of the differences of the matched pairs.
B) the mean of the differences of the matched pairs.
C) the mode of the differences of the matched pairs.
D) ranks of the matched differences.