Question

calculate the upper and lower control limits and then construct a control chart. Display your chart....

calculate the upper and lower control limits and then construct a control chart. Display your chart. Question: Using the control chart rules for detecting special causes, can you detect a special cause? Explain why or why not.

Week

Average Delay Time (in days)

1

34

2

30

3

35

4

32

5

28

6

26

7

29

8

28

9

35

10

26

11

34

12

31

13

28

14

40

15

26

16

32

17

31

18

30

19

33

20

35
Math   Statistics-And-Probability   
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