Fisher's exact test is a statistical significance test for categorical data, measuring the association between two variables in a 2x2 contingency table. This online tool computes Fisher’s statistics, calculating the hypergeometric probability of the table, and one-sided and two-sided p-values, and displaying a visualization of the distribution of p-values. Learn more...

Quick Help

• Insert the table values into the table cells - a, b, c, and d. Only natural numbers (positive integers) are allowed as input.
• Press Compute.
• To copy the computed statistics, click on a result. The result will be copied to the clipboard. Then, you can paste it to any other application, such as Excel.

More help…

References Jonathan Carlson and David Heckerman and Guy Shani, False Discovery Rate for 2x2 Contingency Tables, Microsoft Research technical report, MSR-TR-2009-53. Code Downloadable Windows program Open source code.