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Please show the calculation process in Excel, thank you With the gasoline time series data from...

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Advance Math

Please show the calculation process in Excel, thank you

  1. With the gasoline time series data from Table 8.1, show theexponential smoothing forecasts using ?=0.1.

    1. Applying the MSE measure of forecast accuracy, would you prefera smoothing

      constant of ?=0.1 or ?=0.2 for the gasoline sales timeseries?

    2. Are the results the same if you apply MAE as the measure ofaccuracy?

    3. What are the results if MAPE is used?

    4. WeekSales (1000s of gallons)
      117
      221
      319
      423
      518
      616
      720
      818
      922
      1020
      1115
      1222

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Here complete Excel work is attached as per    See Answer
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