A production analyst takes 12 samples of jellybeans from production over a shift period. The number of minor defects in each sample is shown below.

Sample	Number of defects
1	6
2	6
3	5
4	8
5	6
6	5
7	5
8	3
9	7
10	3
11	4
12	6

Develop the appropriate control chart for this process.

Does the process appear to be in control? Why?

Control ChartFactors

Subgroup Size	A2	D3	D4	d2	d3
2	1.880	0.000	3.267	1.128	0.853
3	1.023	0.000	2.574	1.693	0.888
4	0.729	0.000	2.282	2.059	0.880
5	0.577	0.000	2.114	2.326	0.864
6	0.483	0.000	2.004	2.534	0.848
7	0.419	0.076	1.924	2.704	0.833