4.8 Daily high temperatures in St. Louis for the last week were as follows: 93, 94, 93, 95, 96, 88, 90 (yesterday). a) Forecast the high temperature today, using a 3-day moving average. b) Forecast the high temperature today, using a 2-day moving average. c) Calculate the mean absolute deviation based on a 2-day mov- ing average. d) Compute the mean squared error for the 2-day moving average. e) Calculate the mean absolute percent error for the 2-day mov- ing average. Px