Determine the proportion of errors

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Reference no: EM131314799

The registrar at NYU is checking to see if students are filling out their registration forms properly. He examines 25 groups of 100 forms to determine the proportion of errors in each group. The number of errors for each group is shown in the following table. Draw the control chart for this data. Is the process in control? Explain.

Group

Errors

1

7

2

9

3

12

4

5

5

15

6

6

7

7

8

9

9

12

10

5

11

5

12

10

13

8

14

7

15

4

16

9

17

11

18

12

19

15

20

9

21

8

22

13

23

10

24

15

25

6

Reference no: EM131314799

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