Thamer Almutairi, owner of Almutairi's DepartmentStore, has used time-series extrapolation to forecast retail sales forthe next 4 quarters. The sales estimates are $120,000, $140,000,$160,000, and $180,000 for the respective quarters. Seasonal indicesfor the 4 quarters have been found to be 1.25, .90, .75, and 1.10,respectively. Compute a seasonalized or adjusted sales forecast.
Thamer Almutairi, owner of Almutairi's DepartmentStore, has used time-series extrapolation to forecast retail sales forthe next 4 quarters. The sales estimates are $120,000, $140,000,$160,000, and $180,000 for the respective quarters. Seasonal indicesfor the 4 quarters have been found to be 1.25, .90, .75, and 1.10,respectively. Compute a seasonalized or adjusted sales forecast.
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter13: Regression And Forecasting Models
Section13.7: Exponential Smoothing Models
Problem 29P: The file P13_29.xlsx contains monthly time series data for total U.S. retail sales of building...
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Thamer Almutairi, owner of Almutairi's Department Store, has used time-series extrapolation to the next 4 quarters. The sales estimates are $120,000, $140,000, $160,000, and $180,000 for the respective quarters. Seasonal indices for the 4 quarters have been found to be 1.25, .90, .75, and 1.10, respectively. Compute a seasonalized or adjusted sales forecast. |
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