II. In order to establish a p-chart with 3-sigma control limits, you have collected the following 10 samples of size 300.

Sample Defects Sample Defects
1 25 6 15
2 22 7 14
3 17 8 15
4 42 9 16
5 16 10 16

Required:
a. Determine CL, UCL, and LCL for the p-chart.
b. Is the process in statistical control? Explain.