Posted by **iyra** on Tuesday, February 9, 2010 at 9:19pm.

Refer to the following table which contains the sales (in $,000) for a department store for the first ten months of the year.

Month Sales

January 440

February 480

March 590

April 400

May 500

June 550

July 470

August 500

September 600

October 520

Using a three period moving average [i.e. MA(3)] as a forecasting method, what is the MSE for this forecasting model?

Using a simple exponential smoothing (with a smoothing constant of 0.2) as a forecasting method, what is the MAPE for this forecast model ________ % ?

- statistics -
**heahadja**, Friday, January 2, 2015 at 2:02am
aerhaerhjaej

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