Two independent methods of forecasting based on judgment, Ask an Expert

Management Studies

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:

Month Sales Forecast 1 Forecast 2 1 770 771 769 2 789 785 787 3 794 790 792 4 780 784 798 5 768 770 774 6 772 768 770 7 760 761 759 8 775 771 775 9 786 784 788 10 790 788 788

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) 2 s control limits. How do the naive results compare with the other two forecasts?

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Operation Management, Management Studies

Category:- Operation Management
Reference No.:- M92440819

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