Ten samples of 15 parts each were taken from an ongoing process to establish a p chart for control…. 1 answer below »

Ten samples of 15 parts each were taken from an ongoing process to establish a p chart for control…. 1 answer below »

Ten samples of 15 parts each were taken from an ongoing process to establish a p chart for control. The samples and the number of defectives in each are shown in the following table:
SAMPLE
n
NUMBER OF DEFECTS IN SAMPLE
SAMPLE
n
NUMBER OF DEFECTS IN SAMPLE
1
15
3
6
15
2
2
15
1
7
15
0
3
15
0
8
15
3
4
15
0
9
15
1
5
15
0
10
15
0
Develop a p chart for 95 percent confidence (1.96 standard deviations). Based on the plotted data points, what comments can you make?