a. Use the method stated in the text to compute the MAD and tracking signal for each week.

b. Decide whether the forecasting model you have been using is giving reasonable results.

In this problem, you are to test the validity of your forecasting model. Here are the forecasts for a model you have been using and the actual demands that occurred: 960 WEEK FORECAST ACTUAL 730 860 810 910 1,010 910 860 960 860 935 1,010 OWN a. Use the method stated in the text to compute the MAD and tracking signal for each week. (Negative values should be indicated by a minus sign. Round your "Tracking Signal" to 1 decimal place and all other answers to the nearest whole number.) Absolute Deviation Sum of Absolute Deviation Deviation RSFE MAD 860 Week Forecast Actual 730 960 3 910 1,010 910 860 5960860 6 935 1,010 b. Decide whether the forecasting model you have been using is giving reasonable results. O The forecasting model is acceptable O The forecasting model is unacceptable