Customers' establishing new bank accounts at the BSP bank in Suva are expected to average10 minutes each. Numerous observations of these samples were taken, as presented below. From the sample data given, construct the relevant control charts.

Do the results suggest that the process is in control? Why or why not? Explain

Sample 1	Sample 2	Sample 3	Sample 4	Sample 5	Sample 6
9.5	10.3	9.9	10.3	9.6	10.2
8.4	9.9	10.5	10.4	10.9	8.9
9.8	10.2	9.9	10.8	10.8	9.7
10.3	10.5	10.8	10.6	10.1	10.5

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