meta
numerics

Enter the results of a 2 X 2 experiment. This calculator performs multiple tests to determine whether the categories in your experiment are correlated.

Input

Totals
Totals

Output

Odds Ratio Test

r = ±
< ln r < with 95% confidence

Pearson χ2 Test

χ2 =
P(χ2' < χ2) = , P(χ2' ≥ χ2) =

Fisher Exact Test

Fischer exact tests are performed for N ≤ 200.

Operations on 2 X 2 and N X M contingency tables are a part of the functionality of the Meta.Numerics.Statistics library.