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The manager of Petroco service station wants to forecast the demand for unleaded gasoline next month so that the proper number of gallons can be ordered from the distributor. The owner has accumulated the following data on demand for unleaded gasoline from sales during the pas 10 months:

Months Gasoline Demanded(gal)

October 800

November 725

December 630

January 500

february 645

March 690

April 730

May 810

June 1200

July 980

A. Compute an exponentially smooth forecast, using alpha value of .30.

B. Compute an adjusted exponentially smooth forecast (with alpha=.30 and beta = .20)

C. Compare the two forecasts by using MAPD and indicate which seems to be more accurate.

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9390395

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