eight samples of n = 50 were taken by an operator at a workstation in a production process. the number of defective items in each sample was recorded as follows.
number
of
sample defects
1 10
2 0
3 12
4 8
5 10
6 16
7 14
8 10
(a) management wants to develop a p-chart. what are the control limits?
(b) is the process in a state of control?