The Mann-Whitney U test assumes that the 2 samples are:
A) equal in size.
B) independent and random.
C) matched or paired.
D) normally distributed.

Question

Quizplus · Accepted Answer

The Mann-Whitney U test assumes that the two samples are independent and random. It does not require the samples to be of equal size, matched or paired, or normally distributed, making it a non-parametric alternative to the t-test for independent samples.

The Mann-Whitney U Test Assumes That the 2 Samples Are