When testing for the difference between two population variances with sample sizes of n₁ = 8 and n₂= 10, the number of degrees of freedom are A) 7 and 9. B) 18. C) 16. D) 8 and 10.

Question

Quizplus · Accepted Answer

The degrees of freedom for each sample are calculated as n-1. Therefore, for the first sample, it is 8-1=7, and for the second sample, it is 10-1=9.

When Testing for the Difference Between Two Population Variances with Sample