Paired Mann Whitney U Test Calculator
Introduction & Importance
The Paired Mann Whitney U Test is a non-parametric statistical test used to compare two related samples. It’s important for comparing data that doesn’t meet the assumptions of the parametric t-test, such as ordinal data or data that is not normally distributed.
How to Use This Calculator
- Enter the values for Group 1 and Group 2, separated by commas.
- Click “Calculate”.
- View the results below the calculator.
Formula & Methodology
The Paired Mann Whitney U Test is based on the Mann Whitney U Test, but it’s used for paired data. The test statistic U is calculated as…
Real-World Examples
Example 1
Suppose we want to compare the weights of 10 patients before and after a diet program…
Data & Statistics
| Patient | Before (kg) | After (kg) |
|---|---|---|
| 1 | 85 | 82 |
Expert Tips
- Ensure your data is paired and ordinal.
- Consider the sample size – the test is less powerful with small samples.
Interactive FAQ
What are the assumptions of the Paired Mann Whitney U Test?
The data must be ordinal, paired, and the differences between pairs must be normally distributed.
Learn more about the Paired Mann Whitney U Test
Understand non-parametric tests