Mann Whitneyy U Test Calculate U Statistic

Mann-Whitney U Test: A Comprehensive Guide

Introduction & Importance

The Mann-Whitney U test, also known as the Wilcoxon rank-sum test, is a non-parametric test used to compare two independent samples. It’s important because it doesn’t assume the data is normally distributed and is robust to outliers.

Comparison of Mann-Whitney U test with other tests

Test	Assumptions	Use

Example data for Mann-Whitney U test

Group	Data

Learn more about the Mann-Whitney U test

Interactive FAQ

What are the assumptions of the Mann-Whitney U test?

The test assumes that the two samples are independent and that the data is at least ordinal.