Question: Compute an exponential smoothing forecast with alpha = . 2 0 , an adjusted exponential smoothing forecast with alpha = . 2 0

Compute an exponential smoothing forecast with \alpha =.20, an adjusted exponential smoothing forecast with \alpha =.20 and \beta =.20, and a linear trend line forecast. Compare the three forecasts using MAD and average error (), and indicate which forecast seems to be most accurate.

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