Question

The Mann-Whitney U test uses data from ______ to evaluate ___?

1) two independent samples
2) paired samples
3) one sample
4) multiple samples

Answer 1

The Mann-Whitney U test uses data from two independent samples to evaluate two independent means.

Step-by-step explanation:

The Mann-Whitney U test uses data from two independent samples to evaluate two independent means. It is a nonparametric test used to determine if there is a significant difference between two groups when the data are not normally distributed or the sample sizes are small.