Rainfall Totals (inches) for Scranton, Pa., 1951-1984 21.3 28.8 17.6 23.0 27.2 28.5 32.8 28.2 25.9 22.5 27.2 33.1 28.7 24.8 24.3 27.1 30.6 26.8 18.9 36.3 28.0 17.9 25.0 27.5 27.7 32.1 28.0 30.9 20.0 20.2 33.5 26.4 30.9 33.2 a Make a 95% confidence interval for the median. b Make 90% confidence intervals for the 20th and 80th percentiles. c The confidence interval procedure assumes that the observations are independent and identically distributed. Do you think this is a reasonable assumption for the rainfall data? If not, what could cause this assumption to be invalid