Fisher's exact test (also the Fisher–Irwin test) is a statistical significance test used in the analysis of contingency tables. [1][2][3] Although in practice it is employed when sample sizes are small, it is …

This is a Fisher exact test calculator for a 2 x 2 contingency table. The Fisher exact test tends to be employed instead of Pearson's chi-square test when sample sizes are small.

Jul 9, 2020 · Fisher’s Exact Test is used to determine whether or not there is a significant association between two categorical variables. It is typically used as an alternative to the Chi-Square Test of …

In this post, learn about Fisher’s exact test, when to use it, and how to interpret it using an example. I include a calculator so you can apply what you learn.

Jul 23, 2025 · Fisher's exact test is widely used in medical research and other fields where sample sizes are small and rare events are common. Compared to other methods such as the chi-square test, it …

May 15, 2025 · Fisher's Exact Test is a powerful statistical tool, especially when dealing with small sample sizes in categorical data analysis. Through its basis in the hypergeometric distribution, it …

Fisher's exact test is more accurate than the chi-square test or G –test of independence when the expected numbers are small. I recommend you use Fisher's exact test when the total sample size is …