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5-15 Develop a 4-month moving average forecast for Wallace Garden Supply, and compute the MAD. A 3-month moving average forecast was developed in the section on moving averages in Table 5.2 iO,

5-15 Develop a 4-month moving average forecast for Wallace Garden Supply, and compute the MAD. A 3-month moving average forecast was developed in the section on moving averages in Table 5.2 iO,

Practical Management Science
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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5-15 Develop a 4-month moving average forecast for Wallace Garden Supply, and compute the MAD. A 3-month moving average forecast was developed in the section on moving averages in Table 5.2 0.
Transcribed Image Text:5-15 Develop a 4-month moving average forecast for Wallace Garden Supply, and compute the MAD. A 3-month moving average forecast was developed in the section on moving averages in Table 5.2 0.
ΜΟΝTΗ ACTUAL SHED SALES 3-MONTH MOVING AVERAGE January 10 February 12- March 13 April 16 (10 + 12 + 13)/3 = 11.67 Мay 19 (12 + 13 + 16)/3 = 13.67 June 23 (13 + 16 + 19)/3 = 16.00 July 26 (16 + 19 + 23)/3 = 19.33 August 30 (19 + 23 + 26)/3 = 22.67 September 28 (23 + 26 + 30)/3 = 26.33 October 18 (26 + 30 + 28)/3 = 28.00 November 16 (30 + 28 + 18)/3 = 25.33 %3D December 14 (28 + 18 + 16)/3 = 20.67 January (18 + 16 + 14)/3 = 16.00 Table 5.2 Wallace Garden Supply Shed Sales
Transcribed Image Text:ΜΟΝTΗ ACTUAL SHED SALES 3-MONTH MOVING AVERAGE January 10 February 12- March 13 April 16 (10 + 12 + 13)/3 = 11.67 Мay 19 (12 + 13 + 16)/3 = 13.67 June 23 (13 + 16 + 19)/3 = 16.00 July 26 (16 + 19 + 23)/3 = 19.33 August 30 (19 + 23 + 26)/3 = 22.67 September 28 (23 + 26 + 30)/3 = 26.33 October 18 (26 + 30 + 28)/3 = 28.00 November 16 (30 + 28 + 18)/3 = 25.33 %3D December 14 (28 + 18 + 16)/3 = 20.67 January (18 + 16 + 14)/3 = 16.00 Table 5.2 Wallace Garden Supply Shed Sales
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