Mann-Whitney U Test Calculator

A Mann-Whitney U test is used to compare the differences between two independent samples when the sample distributions are not normally distributed and the sample sizes are small (n <30). It is considered to be the nonparametric equivalent to the two-sample independent t-test.

Tutorial: Mann-Whitney U Test

To conduct a Mann-Whitney U test for two independent samples, simply enter the data values below and click the “Calculate” button.

Sample 1 || Sample 2

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