F Test. The name was coined by george w. A statistical f test uses an f statistic to compare two variances s 1 and s 2 by dividing them.
Below you can find the study hours of 6 female students and 5 male students. The result is always a positive number because variances are always positive. An f test is any statistical test in which the test statistic has an f distribution under the null hypothesis.
For example given test scores from public and private schools you can test whether these schools have different levels of test score diversity.
F test for testing equality of variance is used to test the hypothesis of the equality of two population variances. The test for equality of several means is carried out by the technique called anova. This example teaches you how to perform an f test in excel. The result is always a positive number because variances are always positive.
