When using the Mann-Whitney U test, the null hypothesis is rejected when the _____ of the two calculated statistics is equal to or _____ than the critical value.
A) smaller; greater
B) larger; greater
C) smaller; less
D) larger; less

Question

Quizplus · Accepted Answer

The Mann-Whitney U test involves comparing the smaller of the two U statistics calculated for the two groups against a critical value from a reference table. The null hypothesis is rejected if this smaller U value is less than or equal to the critical value, indicating a significant difference between the groups.

When Using the Mann-Whitney U Test, the Null Hypothesis Is