A sample of 60 items from population 1 has a sample variance of 12 while a sample of 50 items from population 2 has a sample variance of 15. If we want to test whether the variances of the two populations are equal, the test statistic will have a value of
A. .8.
B. 1.56.
C. 1.5.
D. 1.25.
Answer: D
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