A sample of 60 items from population 1 has a sample variance of 8 while a sample of 40 items from population 2 has a sample variance of 10. If we test whether the variances of the two populations are equal, the test statistic will have a value of
A)0.8
B)1.56
C)1.5
D)1.25

Question

Quizplus · Accepted Answer

The test statistic for comparing two variances is the ratio of the two sample variances. Here, it is calculated as 10/8 = 1.25.

A Sample of 60 Items from Population 1 Has a Sample