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In this problem, you are to test the validity of your forecasting model. Here are the forecast for a model you have been using and the actual demands that occurred WEEK FORECAST ACTUAL 1 890 010 2 780 930 3 100 090 4 180 3D 330 330 105 1.110 Use the method stated in the bottocomote the MAD and tracking nipral for each wegeive alone should be indicated by a minus sign. Round your Tracking signal to 1 decimal place and a other answers to the nearest whole number Sum of Absolute Moshule Deva De MAD Werk Purce 1 2 710 10 4 600 MO SOS AL 210 930 030 60 10 MO b. Decide whether me forecasting model you have been using in romana The forecasting module The more 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 WEEK FORECAST ACTUAL 890 910 2 780 930 3 680 980 4 880 830 5 9.30 830 905 1,110 1. 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 Devon MAD 910 950 Week Forecast 1 090 2 780 3 300 4 380 5 930 0 905 90 630 1.110 b. Decide whether the forecasting model you have been using laging reasonable results The forecasting model is acceptable The forecasting model is comptable