Question: A specific forecasting model was used to forecast demand for a product. The forecasts and the corresponding demand that subsequently occurred are shown as follows.

  1. A specific forecasting model was used to forecast demand for a product. The forecasts and the corresponding demand that subsequently occurred are shown as follows. Fill out the table and use the MAD, MSE, and MAPE to evaluate the accuracy of the forecasting model (15 pts).

Actual

Forecast

Absolute Deviation |At-Ft|

% Deviation |At-Ft|/At

|At-Ft|^2

October

700

660

November

760

840

December

780

750

January

790

835

February

850

910

March

950

890

Average Demand

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