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Given the following historical demand and forecast, calculate the Mean Forecast Error: Week 1 Demand: 50 Forecast: 54 Week 2 Demand: 54 Forecast: 57 Week

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Given the following historical demand and forecast, calculate the Mean Forecast Error: Week 1 Demand: 50 Forecast: 54 Week 2 Demand: 54 Forecast: 57 Week 3 Demand: 58 Forecast: 57 FE = D-F RSFE = '-FE MFE = DE, FE; RSFE n n MSE = 212, (FE:) MAD = _ |FE || n n 100 =1 D FELI RSFE MAPE = TS FE, MAD n2 MAD A3 B.3 oc-2 0.-1 E 2

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