Data collected on the yearly registrations for a Six Sigma seminar at the Quality College are shown in the following table:YEAR1234567891011REGISTRATIONS (000)464510879121415 Develop a 3-year moving average to forecast registrations from year 4 to year 12.Estimate demand again for years 4 to 12 with a 3-year weighted moving average in which registrations in the most recent year are given a weight of 2, and registrations in the other 2 years are each given a weight of 1.Graph the original data and the two forecasts. Which of the two forecasting methods seems better?

Answers of parts a to e are given below showing the forecast, MAD and MAPE for 4-year moving…

Answered: Data collected on the yearly…

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ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

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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	6	4	5	10	8	7	9	12	14	15

Develop a 3-year moving average to forecast registrations from year 4 to year 12.
Estimate demand again for years 4 to 12 with a 3-year weighted moving average in which registrations in the most recent year are given a weight of 2, and registrations in the other 2 years are each given a weight of 1.
Graph the original data and the two forecasts. Which of the two forecasting methods seems better?

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