1.

What is done when there is a sample plotted out of control limits for a p-chart?

A. The sample is investigated for an assignable cause and then the sample data is eliminated to develop a new p-chart
B. The sample is only investigated for an assignable cause
C. The sample is not investigated at all (It is assumed that there was no assignable cause present)
D. All the samples are investigated
Answer» B. The sample is only investigated for an assignable cause


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