Sample Size Calculator
Two-sample t-Test Paired t-Test Analysis of variance Wilcoxon Test Single proportion Chi-squared Test Fisher's exact Test McNemar's Test Logrank Test Correlation Test
Sample size calculator
Version 1.061


Input and calculation

 /  =


Press the Calculate button to calculate the sample size.





Sample size for McNemar's test of paired proportions

The sample size and power for McNemar's test are calculated using the asymptotic approximation due to Miettinnen [Miettinen, O. S. (1968). The matched pairs design in the case of all-or-none responses. Biometrics, 339-352].