Question: Using the control limits determined in Exer cise 20.49, evaluate whether the process was in control when the following data were collected for samples 2132.

Using the control limits determined in Exer cise 20.49, evaluate whether the process was in control when the following data were collected for samples 21–32.

Sample Number Sample Number of Size Defectives 21 200 55 22 200

Sample Number Sample Number of Size Defectives 21 200 55 22 200 45 23 200 45 24 200 56 25 200 54 26 200 53 27 200 53 28 200 56 29 200 53 30 200 57 31 200 42 32 200 53

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