Back to main page

F-test for equal variances

Tests if two samples have equal variances. Requires that the samples are independent and normally distributed. The Shapiro-Wilk Expanded test can be used to check if samples are normally distributed.
Tests the hypotheses:
H0 The two samples have equal variances  
H1 The variances of the two samples are unequal  

 Data Entry

Sample A:
Sample B:
Significance level α: 
Upload CSV file: