Question: QUESTION 6 A forecasting model has produced the following forecasts, Period January February March April May Demand Forecast 90 95 89 80 100 125 110

QUESTION 6 A forecasting model has produced the following forecasts, Period January February March April May Demand Forecast 90 95 89 80 100 125 110 90 96 86 The forecast error for April is: A. 10 B.-20 C.20 D.-10 QUESTION 7 The sum of the error at the end of May is A. 9 B.8 C. 10 D. 15 QUESTION 8 At the end of May the tracking signal would be A. 13.8 B.0.652 C.-1 D.0.571

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