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Sales of industrial vacuum cleaners at Overholt Supply Co. over the past 13 months were as follows: Month Sales (thousands) Month Sales (thousands) January 9
Sales of industrial vacuum cleaners at Overholt Supply Co. over the past 13 months were as follows:
Month | Sales (thousands) | Month | Sales (thousands) |
January | 9 | August | 12 |
February | 12 | September | 15 |
March | 14 | October | 10 |
April | 8 | November | 12 |
May | 13 | December | 14 |
June | 15 | January | 9 |
July | 9 |
(a) Using a moving average with three periods, determine the demand for vacuum cleaners for next February.
(b) Using a three-period weighted moving average with weights 3, 2, and 1 (3 = most recent), determine the demand for vacuum cleaners for February.
(c) Evaluate and comment on the accuracy of each of these models.
Please show work in Excel
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