Mann Whitney U How To Calculate Effect Size

Introduction & Importance

The Mann-Whitney U effect size is a measure of the magnitude and direction of the difference between two independent samples. It’s crucial in understanding the practical significance of your findings…

How to Use This Calculator

1. Enter the means of your two samples in the ‘Sample 1’ and ‘Sample 2’ fields.
2. Enter the sample sizes (N1 and N2) in the respective fields.
3. Click ‘Calculate’.

Formula & Methodology

The Mann-Whitney U effect size (r) is calculated as…

Real-World Examples

Data & Statistics

Sample Data

Sample	Mean	N
1	…	…
2	…	…

Expert Tips

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Interactive FAQ

Q. What is the Mann-Whitney U test?

A. The Mann-Whitney U test is a non-parametric test…

Learn more about Mann-Whitney U test from the U.S. Census Bureau

Understand the Mann-Whitney U effect size from a statistical perspective