1. The following data represents the average “delivery speed” to fulfill customer’s orders in a hypothetical organization. In period 10, changes were made on the fulfillment process, as a result of an improvement Six Sigma initiative.

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1.   The following data represents the average “delivery speed” to fulfill customer’s orders in a hypothetical organization. In period 10, changes were made on the fulfillment process, as a result of an improvement Six Sigma initiative.

 

Period→

1

2

3

4

5

6

7

8

9

10

Delivery Speed (days)

5

6

8

4

6

7

6

6

7

8

Period→

11

12

13

14

15

16

17

18

19

20

Delivery Speed (days)

6

4

5

6

5

4

8

4

7

4

 

2.  Explain if the change made in Period 10 was sound.

3.  What is your forecast of delivery-speed in Period 21. You have to choose a model (consider at least three models and using the MSE explain which is the best.)

 

 

Format: No longer than two pages, 1.5 space between lines, Times New Roman, Full Justification, Don't write the questions again, and no cover page.

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