Connect HW-Chapter 30 Help Save & Exit Submit Check my work 35 Problem 3-20 (Algo) 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: points FORECAST ACTUAL 800 920 820 970 Bock 1.020 1,070 1.020 995 920 1,010 Dereces 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 2 decimal place and all other answers to the nearest whole number.) Week Forecast Actual Deviation RSFE Absolute Deviation Sum of Absolute Deviation MAD TS 3 8409201 870 1.020 970 1070 070 920 1020 9201 995 10101 4 5 MacBook