### Demand forecasting by moving average method

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##### Reference no: EM1367391

You have the following data for the last 12 months' sales for the PRQ Corporation (in thousands of dollars):

January 500 July 610

February 520 August 620

March 520 September 580

April 510 October 550

May 530 November 510

June 580 December 480

a. Calculate a 3-month centered moving average.

b. Use this moving average to forecast sales for January of next year.

c. If you were asked to forecast January and February sales for next year, would you be confident of your forecast using the preceding moving averages? Why or why not?

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