Question: 3. Compute exponential smoothing forecasts with smoothing constant a =.3. Use GasolineRevised.xlsx i. What is the forecast for week 23? j. What is MAE? k.

3. Compute exponential smoothing forecasts with smoothing constant a =.3. Use GasolineRevised.xlsx i. What is the forecast for week 23? j. What is MAE? k. What is MSE? l. What is MAPE?

3. Compute exponential smoothing forecasts with

Week Sales (1000s of gallons) 1 17 2 21 3 19 4 23 5 18 6 16 7 20 8 18 9 10 11 12 13 14 22 20 15 22 31 34 31 33 28 32 30 29 15 16 17 18 19 20 21 22 34 33

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