Question: The table below shows the demand for Fidgets (they're like Widgets, only they're more active) over an eight month period. Calculate a four-period moving average forecast for September. Also evaluate the quality of the four-period moving average forecasting model by calculating the root mean square error for the data set. Note: round all intermediate calculations to two decimal places.

Month Demand

Jan 10

Feb 11

Mar 5

Apr 8

May 6

Jun 11

Jul 5

Aug 11

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Solution: The downloadable solution consists of 2 pages
Deliverable: Word Document