Tear Duct tape wants to count the number of defects that it is finding in their rolls. The following is the number of total defects that were found per 100 rolls.

If they are using z=2 is their process in control? If not, what observations are out? per C-Chart

Obs

1

2

3

4

5

6

7

8

9

10

Defects

8

6

18

4

7

10

0

26

4

3