Find the three-month moving average of the sales of shoes for this year.

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...
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Find the three-month moving average of the sales of shoes for this year.
Absolute
Value of
Absolute
Value of
Squared
Forecast
Error
No. of
Forecast
Percentage
Error
Month
Forecast
Percentage
Error
Shoes Sold
Error
Forecast
Error
January
February
March
780
821
755
April
May
June
850
735
754
799
July
August
September
October
845
800
777
November
December
785
837
Transcribed Image Text:Absolute Value of Absolute Value of Squared Forecast Error No. of Forecast Percentage Error Month Forecast Percentage Error Shoes Sold Error Forecast Error January February March 780 821 755 April May June 850 735 754 799 July August September October 845 800 777 November December 785 837
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