Construct the confidence interval

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Sports and Leisure

A study was conducted to compare the variability in times for men and women involved in collegiate swimming events. Independent random samples of 800-meter freestyle competitors were obtained, and the time (in minutes) was recorded for each swimmer. The data are summarized in the following table.

Group

Sample size

Sample variance

Men

11

0.1025

Women

12

0.1241

a. Find the critical values necessary to construct a 95% confidence interval for the ratio of population variances.

b. Construct the confidence interval.

Reference no: EM131436373

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