What does a higher F-statistic mean?

1 Answer
David B.
May 1, 2016

If the value is much larger than 1 then the variance of the first population is greater than the second.

Explanation:

An F-statistic is a test for the ratio of two variances:

F = s_1^2/s_2^2

If the value of the statistic is 1 then the two variances are equal. If the value is much larger than 1 then the variance of the first population is greater than the second.

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