Day	Complaints
1	5
2	7
3	9
4	4
5	5
6	5
7	9
8	1
9	6
10	3
11	8
12	9
13	9
14	3
15	7
16	4
17	2
18	6
19	5
20	15
21	2
22	8
23	10
24	6
25	2
26	4
27	7
28	2
29	4
30	7

1) What are the upper and lower control limits for the c-chart? A. 1.2 and 12.45 B. 0 and 5.8 C. 5.8 and 13.03 D. 0 and 13.03

2) What is the center line for the c-chart? A. 0.0 B. 5.8 C. 13.03 D. 15

3) What answer best describes this process? A. It is in control B. It is experiencing special causes of variation C. It is out of control because one point is above the upper control limit D. Both B and C are correct