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

Week	No. of Complaints
1	4
2	5
3	5
4	14
5	3
6	5

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

Part 2a) The type of control chart that is best to monitor this process is

p-chart?

c-chart?

x-chart?

.