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After using your forecasting model for six months, you decide to test it using MAD and...

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 FORECAST ACTUAL
May 410 470
June 460 525
July 510 370
August 615 505
September 635 685
October 710 575


a. Find the tracking signal. (Negative values should be indicated by a minus sign. Round your answers to 2 decimal places.)


Period Tracking Signal
May
June
July
August
September
October
business   Operations-Management   
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