C through E

Daily high temperatures in St. Louis for the last week were as follows: 92, 91, 95, 92, 95, 86, 90 (yesterday).

(round your response to one decimal place).

a) The high temperature for today using a 3-day moving average = 90.33

b) The high temperature for today using a 2-day moving average = 88

c) The mean absolute deviation based on a 2-day moving average =

d) The mean squared error for the 2-day moving average =

e) Calculate the mean absolute percent error for the 2-day moving average =