Problem 4.11

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)	4.00

7.00

4.00

5.00

10.00

8.00

7.00

9.00

12.00

14.00

15.00

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

(alpha

)

of

0.30

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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