A town's department of public works is concerned about adverse public reaction to a sewer project that is currently in progress. Because of this, the Commissioner of Public Works has authorized a weekly survey to be conducted of town residents. Each week, a sample of 100 residents is questioned on their feelings towards the project. The results to date are shown below.

Week
Number	1	2	3	4	5	6	7	8
Opposed	10	8	12	6	4	14	8	10

Suggest an appropriate control chart.

a.

p-chart

b.

c-chart

c.Control charts are not suitable for this problem.

d.

x-bar chart