The Mann-Whitney U test has three assumptions: the data are ordinal, random selection is used, and ideally no ranks are tied.

Name: The Mann-Whitney U test has three assumptions: the data are ordinal, random selection is used, and ideally no ranks are tied.
Brand: Quizplus
Rating: 4.8 (36 reviews)

Question

Quizplus · Accepted Answer

The Mann-Whitney U test does assume that the data are ordinal and that random selection is used. It is also ideal for there to be no tied ranks, but the test can still be used in the presence of tied ranks.

The Mann-Whitney U Test Has Three Assumptions: the Data Are