Q. Americans Family insurance organization wants to design a control chart to monitor whether claim forms are being completed correctly. The organization intends to use a control chart to see if the improvements in the design of the form are effective. To start the process the organization collected data on the number of incorrectly completed forms over the past 10 days. The insurance organization processes thousands of these forms each day also due to the high cost of inspecting each form, only a small representative sample of 300 was collected each day. The data for the last 10 days are as follows: 10, 8, 9, 13, 7, 7, 6, 11, 12 also 8.

a) Illustrate what type of control chart(s) should be used?

b) Illustrate what is the value of central line?

c) Compute the upper also lower control limits for the chart.

d) Depends on the data collected, illustrate what would you conclude?

e) Do the improvements in the design of the forms effective? Illustrate what can we say?