Question: 7 Given in the table below are the results from the inspection of filing cabinets for scratches and small indentations. Cabinet No. 1 2 3
7 Given in the table below are the results from the inspection of filing cabinets for scratches and small indentations.
Cabinet No. 1 2 3 4 5 6 7 8 Number of defects 1 0 3 6 3 3 4 5 Cabinet No. 9 10 11 12 13 14 15 16 Number of defects 10 8 4 3 7 5 3 1 Cabinet No. 17 18 19 20 21 22 23 24 25 Number of defects 4 1 1 1 0 4 5 5 5 Set up a control chart to monitor the number of defects. What is the average run length to detection when 6 defects are present?
Plot the data on the chart and comment upon the process.
(See also Chapter 9, Discussion question 2.)
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