Construct and interpret a c chart using the following data: Interpret the results.

Sample	Defects
1	6
2	5
3	7
4	6
5	8
6	5
7	6
8	7
9	6
10	8
11	7
12	6
13	7
14	8
15	7
16	6
17	5
18	2
19	1
20	0
21	12
22	4
23	6
24	7
25	8
26	3
27	2
28	3
29	2
30	3