McNemar Test Calculator — Formel

## McNemar Test

**chi2 = (|b-c|-1)^2 / (b+c)**

For paired binary outcomes. Only discordant pairs matter.

Lösungsbeispiel

b=15, c=5.

  1. chi2 = 81/20 = 4.05
  2. df=1, significant at 0.05