With the gasoline time series data from table 17.1, show the exponential smoothing forecasts using a = .1.a. applying the MSe measure of forecast accuracy, would you prefer a smoothing constant of a = .1 or a = .2 for the gasoline sales time series?b. are the results the same if you apply Mae as the measure of accuracy?c. What are the results if Mape is used?

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With the gasoline time series data from table 17.1, show the exponential smoothing forecasts using a = .1.
a. applying the MSe measure of forecast accuracy, would you prefer a smoothing constant of a = .1 or a = .2 for the gasoline sales time series?
b. are the results the same if you apply Mae as the measure of accuracy?
c. What are the results if Mape is used?

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