An ad agency tracks the$$ complaints, by week$$ received, about the billboards in its$$ city:

$$

Week

No$.$ of Complaints

$1$

$2$

$3$

$4$

$5$

$6$

This exercise contains only parts$$ a$,$ b$,$ and c$.$

Part $2$

$$a$)$ The type of control chart that is best to monitor this process is

c minus chart

$.$

Part $3$

$$b$)$ Using z$=,$ the control chart limits for this process are$($assume that the historical complaints rate is$$ unknown$)$:

$=$

$$

enter your response here complaints per week $($round your response to two decimal$$ places$).$

$$