Unformatted text preview: c) Which is better (using the mean absolute deviation): the 2-month average or the 3-month average? d) Compute the forecasts for each month using exponential smoothing, with an initial forecast for January of $ 1.80. Use a= .1, then a=.3, and finally a= .5. Using MAD, which a is the best?...
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- Spring '11
- Management, Mean, Time series analysis, Absolute deviation