37. High and low Temperatures. Use the information in Exercise 33 for the following: Construct and interpret a 99% confidence interval for , the population mean difference in temperature.
10.1.37
(6.6528,13.207); We are 99% confident that the population mean of the differences between high and low temperatures in May in Waterloo, Ontario, Canada lies between 6.6528 degrees centigrade and 13.207 degrees centigrade.