Question

Chapter 7

1. Table below contains data on examination of medical insurance claims. Every day 50 claims were examined.

Day	Number Nonconforming
1	0
2	3
3	4
4	6
5	5
6	2
7	8
8	9
9	4
10	2
11	6
12	4
13	8
14	0
15	7
16	20
17	6
18	1
19	5
20	7

1. Set up the fraction nonconforming control chart (p-chart) for this process. Plot the preliminary data in the above table on the chart. Is the process in statistical control?
2. Calculate p_bar, UCL_p, and LCL_p.
3. Assume that assignable causes can be found for any out-of-control points on this chart. What center line and control limits should be used for process monitoring in the next period?
4. Draw the revised fraction nonconforming control chart (p-chart) for this process.

Answer 1

Hi

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https://drive.google.com/open?id=1Z9EyDNSiBkD_u6EAWQpU-_ayEojsUYH1

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