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August 30, 2015

Homework Help: Statistics

Posted by Johnny on Friday, January 30, 2009 at 9:36pm.

Construct the appropriate control chart for the observations listed below, using 3 sigma limits.

Product Number - Number of defects
1 - 3
2 - 3
3 - 6
4 - 5
5 - 3
6 - 5
7 - 2
8 - 2
9 - 3
10 - 4
11 - 6

a. Determine the upper and lower control limits.

b. Discuss the chart you have plotted. What conclusions and recommendations do you make from the chart and the data?

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