Question: 2. Two independent methods of forecasting based on judgment and experience have been prepared for monthly sales of Widgets. a. Compute the MAD and MSE

2. Two independent methods of forecasting based on judgment and experience have been prepared for monthly sales of Widgets. a. Compute the MAD and MSE for each forecast, does either method seem superior? Explain. b. Compute a tracking signal for the 10th month for each forecast. What does it show? (Use action limits of + or 4.) c. Compute 2s control limits for each forecast. What do they show
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