Question: Construct the 90% interval estimate for the ratio of the population variances using the following results from two independently drawn samples from normally distributed populations.

Construct the 90% interval estimate for the ratio of the population variances using the following results from two independently drawn samples from normally distributed populations.
Sample 1: 1 = 157, s21 = 23.2, and n1 = 9
Sample 2: 2 = 148, s22 = 19.9, and n2 = 8

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