F-Test Calculator

Test whether two population variances are equal using the F-test

Sample 1 Variance (s₁²):

Sample 1 Size (n₁):

Sample 2 Variance (s₂²):

Sample 2 Size (n₂):

Significance Level (α):

Test Type:

About the F-Test

The F-test compares two population variances to determine if they are equal.

Formula: F = s₁² / s₂²

Hypotheses:

H₀: σ₁² = σ₂² (variances are equal)
H₁: σ₁² ≠ σ₂² (two-tailed)

Assumptions: Both populations are normally distributed.