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The NCAA Is Interested in Estimating the Difference in Mean

Question 20

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The NCAA is interested in estimating the difference in mean number of daily training hours for men and women athletes on college campuses.It wants 95 percent confidence and will select a sample of 10 men and 10 women for the study.The variances are assumed equal and the populations normally distributed.The sample results are:
The NCAA is interested in estimating the difference in mean number of daily training hours for men and women athletes on college campuses.It wants 95 percent confidence and will select a sample of 10 men and 10 women for the study.The variances are assumed equal and the populations normally distributed.The sample results are: Based on these sample data,the critical value for developing the confidence interval is z = 1.96. Based on these sample data,the critical value for developing the confidence interval is z = 1.96.

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