e Mailings >> Share Commen Insert Draw Design Layout References Calibri ( B 1 1 A A Aa Ao BI Uwe XX ADA 1 " Styles Paragraph Sensitivity 4. 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: Sales Forecast Forecast Month 2 3 4 5 6 660 679 684 670 658 662 650 665 676 680 661 675 680 674 660 658 651 661 674 678 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 two forecasts