Ten samples of 15 parts each were taken from an ongoing processto establish a p-chart for control. The samples and thenumber of defectives in each are shown in the followingtable:
| SAMPLE | n | NUMBER OF DEFECTIVE ITEMS IN THE SAMPLE |
| 1 | 15 | 0 |
| 2 | 15 | 2 |
| 3 | 15 | 0 |
| 4 | 15 | 3 |
| 5 | 15 | 1 |
| 6 | 15 | 3 |
| 7 | 15 | 1 |
| 8 | 15 | 0 |
| 9 | 15 | 0 |
| 10 | 15 | 0 |
Determine the p?p? , Sp, UCL and LCL for ap-chart of 95 percent confidence (1.96 standarddeviations). (Leave no cells blank - be certain to enter"0" wherever required. Round your answers to 3 decimalplaces.)
Also what comments can you make about the process?
a.Process is in statistical control.
b.Process is out of statistical control.
