Question: Two independent methods of forecasting based on judgment and experience have been prepared each month for the past 10 months. The forecasts and actual sales

Two independent methods of forecasting based on judgment and experience 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 either forecast seem superior? Explain.
b. Compute MAPE for each forecast.
c. Prepare a naive forecast for periods 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 limits. How do the naive results compare with the other twoforecasts?

eas 9 7 2 8 77 170 75 77 78 78 1508786788 7 ale-70 750 104 700 700 72 750 75 750 700 1234567890

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