Does process producing plates appear in statistical control

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Reference no: EM13901963

Surface defects have been counted on 25 rectangular steel plates, and the data are shown below. Set up a control chart. Does the process producing the plates appear to be in statistical control?

 

Plate Number

Numberof Defects

 

Plate Number

Number ofDefects

1

2

14

10

2

3

15

2

3

4

16

2

4

3

17

6

5

1

18

5

6

2

19

4

7

5

20

6

8

0

21

3

9

2

22

7

10

5

23

0

11

1

24

2

12

7

25

4

13

8

 

 

 

 

 

 

 

 

 

 

Reference no: EM13901963

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