Question: Problem 3-23 After using your forecasting model for six months, you decide to test it using MAD and a tracking signal. Here are the forecast

Problem 3-23 After using your forecasting model for six months, you decide to test it using MAD and a tracking signal. Here are the forecast and actual demands for the six-month period: ACTUAL 500 530 PERIOD May June July August September October FORECAST 445 495 545 610 660 690 400 470 685 625 a. Find the tracking signal. (Negative values should be indicated by a minus sign. Round your answers to 2 decimal places.) Tracking Signal Period May June July August September October
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