random sample of 40 college professors is selec es. 61, 41, 43, 46, 33, 59, 48, 41, 48, 28, 57, 65, 52, 42, 58, 23, 39, 61, 42, 43, 33, 35, 64, 36, 39, 41, 20, 31, 40, 35, 37, 54.