Spring 1998 - Dept. of Statistics, Texas A&M University

a. Construct a 95% confidence interval for the mean of the population. b. Construct a 95.44% confidence interval for the mean of the population. c. Discuss why the answers in Parts a and b are different. Answers: a. 12.8432 to 13.1568. b. 12.84 to 13.16. c. As the level of confidence increases, the confidence interval becomes wider. ................
................