Calculate the forecasted registrations for years 2 through 12 using exponential​ smoothing, with a smoothing constant

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 26P: The file P13_26.xlsx contains the monthly number of airline tickets sold by the CareFree Travel...
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Question
Data collected on the yearly registrations for a Six Sigma seminar at the Quality College are shown in the following​ table:
 
                                                                                                                                                            
Year
1
2
3
4
5
6
7
8
9
10
11
Registrations​ (000)
5.00
6.00
3.00
5.00
10.00
8.00
8.00
9.00
11.00
16.00
17.00
Part 2
​a) Calculate the forecasted registrations for years 2 through 12 using exponential​ smoothing, with a smoothing constant
​(α​)
of
0.40
and a starting forecast of
6.00
for year 1 ​(round your responses to one decimal
​place)​:
 
Year
1
2
3
4
5
6
7
8
9
10
11
12
Forecast​ (000)
6.00
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