Question: Calculate forecast error for week 4 to 7 Week Demand(D) Average(A) Forecast(F) Error(E) 1 100 2 150 3 130 A 3 =0.5*130+0.3*150+0.2*100=130 4 140 A

Calculate forecast error for week 4 to 7

Week Demand(D) Average(A) Forecast(F) Error(E)

1 100

2 150

3 130 A3=0.5*130+0.3*150+0.2*100=130

4 140 A4=0.5*140+0.3*130+0.2*150=139 F4=130

5 120 F5=139

6 110

7 100

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