Calculate the mean absolute deviation for last nine months

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The following table contains the demand from the last 10 months:

a. Calculate the single exponential smoothing forecast for these data using an α of .30 and an initial forecast (F1) of 31.

b. Calculate the exponential smoothing with trend forecast for these data using an α of 0.30, a δ of 0.30, an initial trend forecast (T1) of 1, and an initial exponentially smoothed forecast (F1) of 30.

c. Calculate the mean absolute deviation (MAD) for the last nine months of forecasts. Which method is better?

Reference no: EM132492593

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