For the Mann-Whitney test,
A) scores from the groups are ranked separately.
B) it is the differences between the scores that are ranked.
C) difference values are determined after the scores are ranked.
D) scores from all groups are ranked together at the same time.

Question

Quizplus · Accepted Answer

The Mann-Whitney test involves ranking the scores from all groups together at the same time, not separately. This allows for comparison of the distributions between the two groups.

For the Mann-Whitney Test