Question
The following table shows the total number of imperfections (nonconformities) in the given number of finished...
The following table shows the total number of imperfections (nonconformities) in the given number of finished rolls of paper for 5 hours. Set up and draw a control chart for imperfections per roll of paper. Does the process seem to be in statistical control?
| Number of rolls Produced |
| Hour |
total number of Imperfections |
Number of rolls Produced |
| 1 | 12 | 4 |
| 2 | 8 | 4 |
| 3 | 9 | 3 |
| 4 | 10 | 5 |
| 5 | 6 | 4 |
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