Question: Please help with question b. thank you Data collected on the yearly registrations for a Six Sigma seminar at the Quality College are shown in

Please help with question b. thank you

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)

4.04.0

6.06.0

5.05.0

4.04.0

10.010.0

9.09.0

8.08.0

11.011.0

12.012.0

16.016.0

12.012.0

This exercise contains only parts a and b.

a) Using a 3-year moving average, the forecasted registrations (in thousands) for years 4 through 12 are (round your responses to one decimal

place):

Year

4

5

6

7

8

9

10

11

12

Forecast

5

5

6.3

7.6

9

9.3

10.3

13

13.3

b) Using a 3-year weighted moving average in which the 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, the forecasted registrations (in thousands) for years 4 through 12 are (round your responses to one decimal

place):

Year

4

5

6

7

8

9

10

11

12

Forecast

7.3

8.3

8

8.3

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