F Test Calculator
f-test calculator. Get instant, accurate results. Enter values for instant results with step-by-step formulas.
Reviewed by Manoj Kumar, Mathematics Educator
Reviewed by Manoj Kumar, Mathematics Educator
Formula
F = s₁²/s₂² (larger variance on top)
Compares two sample variances to test if they are significantly different.
Worked Examples
Example 1: Two samples
Problem:s₁²=25 (n=30), s₂²=16 (n=25)
Solution:F=25/16=1.5625, df=(29,24)
Result:F=1.5625
Reviewed by Manoj Kumar, Mathematics Educator · Editorial policy