Question: Problem 3 - 2 2 Two Independent methods of forecasting based on judgment and experlence have been prepared each month for the past 1 0

Problem 3-22
Two Independent methods of forecasting based on judgment and experlence have been
prepared each month for the past 10 months. The forecasts and actual sales are as
follows:
a. Compute the MSE and MAD for each forecast. Does elther forecast seem superlor?
(Round your answers to 2 decimal places.)
b. Compute MAPE for each forecast. (Round your Intermedlate calculations to 6
decimal places and final answers to 4 decimal places.)
c. Prepare a nalve forecast for perlods 2 through 11 using the given sales data. Compute
each of the following; (1) MSE, (2) MAD, (3) tracking signal at month 10, and (4)2s
control IImits. (Round your Intermedlate calculations and final answers to 2 decimal
places.)
 Problem 3-22 Two Independent methods of forecasting based on judgment and

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