P Value Fisher’s Exact Test Calculator
Introduction & Importance
Fisher’s Exact Test is a statistical significance test used to determine if there’s a significant association between two categorical variables. Calculating the P-value by hand is crucial for understanding the underlying assumptions and the test’s limitations.
How to Use This Calculator
- Enter the values for A, B, C, and D in the input fields.
- Click the “Calculate” button.
- View the results in the “Results” section.
Formula & Methodology
The P-value is calculated using the hypergeometric distribution. The formula is…
Real-World Examples
Data & Statistics
| Group | Successes | Total |
|---|---|---|
| Control | 10 | 50 |
| Treatment | 15 | 50 |
Expert Tips
- Always ensure your data meets the assumptions of the test.
- Consider using other tests, like the chi-square test, for larger sample sizes.
Interactive FAQ
What are the assumptions of Fisher’s Exact Test?
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CDC – NIH – StatMethods