The Mann-Whitney U test uses _________.
A) only the direction of the scores
B) only the magnitude of the scores
C) both the magnitude and direction of the scores
D) none of these

Question

Quizplus · Accepted Answer

The Mann-Whitney U test compares two independent groups on a non-parametric measure of central tendency (median), using both the magnitude and direction of the scores. The test ranks all scores from both groups together, and then compares the sum of ranks for each group.

The Mann-Whitney U Test Uses _________