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3. Here are the actual tabulated demands for an item for a nine-month period (January through September). Your supervisor wants to test two forecasting methods

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3. Here are the actual tabulated demands for an item for a nine-month period (January through September). Your supervisor wants to test two forecasting methods to see which method was better over this period a) Forecast April through September using a three-month moving average b) Use a simple exponential smoothing with an alpha of 0.6 to estimate demands for May through September. (assume the forecasted demand for April was 150) c) Calculate MAD, MSE, and MAPE for (a) and (b) d) Base on your answers in c), which do you think is a better forecasting method

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