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 10 th month for each forecast. What does it show? (Use action limits of + or - 4.) c. Compute 2 s control limits for each forecast. What do they show, are forecasts in control
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