For an F distribution test statistic, the number of degrees of freedom associated with its denominator must be equal to the number of degrees of freedom associated with its numerator.

Question

Quizplus · Accepted Answer

The number of degrees of freedom associated with the denominator is the degrees of freedom of the sample variance of the numerator divided by the degrees of freedom of the sample variance of the denominator. Therefore, the degrees of freedom can be different for the numerator and the denominator in an F distribution test statistic.

For an F Distribution Test Statistic, the Number of Degrees