📊F-test (Variance Ratio)
The F-test for equality of variances tests whether two populations have the same variance. F = s₁²/s₂² (larger variance in numerator). Used as a preliminary test before pooled t-tests.
References
🔒
100% Gratuit
Fără înregistrare
✓
Precis
Formule verificate
⚡
Instant
Rezultate în timp ce tastezi
📱
Mobile Ready
Toate dispozitivele