An **F-test** is used to test whether two population variances are equal..

To perform an F-test for two samples, simply enter a list of values for each sample in the boxes below, then click the “Calculate” button:

**Sample 1:**

**Sample 2:**

F-Value: 1.77011

P-Value: 0.35774

how to compare reliabilty of two sets of numbers, one with mean of 122.78, median of 117.50 and standard deviation of 27.28 and the other with a mean of 84.69, a median of 83.50 and a standard deviation of 19.20