Question: [10 points] Supreme Engineering Works has developed a forecasting model that was used to forecast during a 6-month period. The forecasts and actual demand are

[10 points] Supreme Engineering Works has developed a forecasting model that was used to forecast during a 6-month period. The forecasts and actual demand are shown as follows: Month Demand (*000) Forecast Absolute Error (Error) Absolute % Error 1 390 370 2 3 450 370 380 380 400 430 1 430 4 5 500 430 470 6 Calculate the MAD, MSE and MAPE for the model

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