The following tabulations are actual sales of units for six months and a starting forecast in January. ACTUAL FORECAST January 105 80 February 95 March 102 April 85 May 64 June 94 a. Calculate forecasts for the remaining five months using simple exponential smoothing with α = 0.2. b. Calculate the MAD for all the forecasts, including January's.
The following tabulations are actual sales of units for six months and a starting forecast in January. ACTUAL FORECAST January 105 80 February 95 March 102 April 85 May 64 June 94 a. Calculate forecasts for the remaining five months using simple exponential smoothing with α = 0.2. b. Calculate the MAD for all the forecasts, including January's.
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter13: Regression And Forecasting Models
Section: Chapter Questions
Problem 42P: The file P13_42.xlsx contains monthly data on consumer revolving credit (in millions of dollars)...
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The following tabulations are actual sales of units for six months and a starting
ACTUAL | FORECAST | |
January | 105 | 80 |
February | 95 | |
March | 102 | |
April | 85 | |
May | 64 | |
June | 94 | |
a. Calculate forecasts for the remaining five months using simple exponential smoothing with α = 0.2.
b. Calculate the MAD for all the forecasts, including January's.
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