Question: 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

After using your forecasting model for six

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: PERIOD May June July August September October FORECAST 420 470 520 625 645 695 ACTUAL 510 525 410 510 670 610 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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