Question: Mixed Problems. Use Excel Spreadsheet ( Copy the table below and Paste it into Excel ) . Here are the actual tabulated demands for an

Mixed Problems. Use Excel Spreadsheet (Copy the table below and Paste it into Excel). 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.
Forecast September using a three-month moving average. (Round your answers to 2 decimal places.)

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