F Test. F s 21 s 22. For any doubt query comment below.
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Use this function to determine whether two samples have different variances. An f test is any statistical test in which the test statistic has an f distribution under the null hypothesis. The f test is used to test the null hypothesis that the variances of two populations are equal.
F test for testing equality of variance is used to test the hypothesis of the equality of two population variances.
Researchers usually use it when they want to test whether two independent samples have been drawn from a normal population with the same variability. An f test is any statistical test in which the test statistic has an f distribution under the null hypothesis. F test for testing equality of variance is used to test the hypothesis of the equality of two population variances. The height example above requires the use of this test.
