Peters Ittig's department store, Ittig brothers, is Amhert's largest independent clothier. The store receives an average of 10 returns per day. Using z=3 the control limits are:
The type of control chart that is best to monitor this process is:
p-chart
c-chart
or x-chart (mean)
UCL_c = () returns/day
LCL_c=() returns/day
If on a day 10 returns are received, based on the limits, an action is (not required or required)