a.Below table shows the number of conforming products in 20days. (a) Set up the fraction nonconformingcontrol chart for this process. Plot the preliminary data in Tableon the chart. Is the process in statistical control? B.Assume thatassignable causes can be found for any out-of-control points onthis chart. What center line and control limits should be used forprocess monitoring in the next period?
| Day | Number of Nonconforming |
| 1 | 0 |
| 2 | 3 |
| 3 | 4 |
| 4 | 6 |
| 5 | 5 |
| 6 | 2 |
| 7 | 8 |
| 8 | 9 |
| 9 | 4 |
| 10 | 2 |
| 11 | 6 |
| 12 | 4 |
| 13 | 8 |
| 14 | 0 |
| 15 | 7 |
| 16 | 20 |
| 17 | 6 |
| 18 | 1 |
| 19 | 5 |
| 20 | 7 |
