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The following tabulations are actual sales of units for six months and a starting forecast in January.   ACTUAL FORECAST January 100 80 February 94   March 106   April 80   May 68   June 94   Calculate forecasts for the remaining five months using simple exponential smoothing with α = 0.2.   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 100 80 February 94   March 106   April 80   May 68   June 94   Calculate forecasts for the remaining five months using simple exponential smoothing with α = 0.2.   Calculate the MAD for all the forecasts, including January's.

Practical Management Science
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
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The following tabulations are actual sales of units for six months and a starting forecast in January.

  ACTUAL FORECAST
January 100 80
February 94  
March 106  
April 80  
May 68  
June 94  

  1. Calculate forecasts for the remaining five months using simple exponential smoothing with α = 0.2.

     

  2. Calculate the MAD for all the forecasts, including January's.

     
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