The results of inspection of DNA samples taken over the past 10 days are given below. Sample size is 100.

Days: 1 2 3 4 5 6 7 8 9 10

Defectives: 7 6 6 9 5 6 0 8 9 1

a) Construct a 3-sigma p-chart using this information

b) If the number of defectives on the next three days are 12, 5 and 13, is the process in control?

Posted Date: 2/11/2014 3:43:05 AM | Location : United States

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