Consider the following gasoline sales time series. If needed, round your answers to two-decimal digits. Week 1 2 3 +567 10 11 12 Sales (1,000s of gallons) 18 22 15 26 18 17 21 19 22 18 a = 0.1 17 21 (a) Show the exponential smoothing forecasts using a = 0.1, and a Exponential Smoothing a = 0.2 - 0.2. Week 13 (b) Applying the MSE measure of forecast accuracy, would you prefer a smoothing constant of a = 0.1 or a = 0.2 for the An Select your answer-smoothing constant provides the more accurate forecast, with an overall MSE of

Consider the following gasoline sales time series. If needed, round your answers to two-decimal digits. 1s) (a) Show the exponential smoothing forecasts using a=0.1, and a=0.2. (b) Applying the MSE measure of forecast accuracy, would you prefer a smoothing constant of a=0.1 or 0=0.2 for the An smoothing constant provides the more accurate forecast, with an overall MSE of