Question: Random samples from two normal populations produced the following statistics: a. Estimate with 95% confidence the ratio of the two population variances. b. Repeat part

Random samples from two normal populations produced the following statistics:

a. Estimate with 95% confidence the ratio of the two population variances.

b. Repeat part

(a) changing the sample sizes to n1  25 and n2  25.

c. Describe what happens to the width of the confidence interval estimate when the sample sizes increase.

Applications Use a 5% significance level in all tests unless specified otherwise.

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