The NCAA is interested in estimating the difference in mean number of daily training hours for men and women athletes on college campuses.They want 95 percent confidence and will select a sample of 10 men and 10 women for the study.If the NCAA assumes that the population standard deviations are known,the critical value for the confidence interval is t = 2.1009.

Question

Quizplus · Accepted Answer

The critical value for a 95% confidence interval with known population standard deviations is based on the Z-distribution, not the t-distribution.

The NCAA Is Interested in Estimating the Difference in Mean