In applying quality control charts, a sample statistic that falls outside the UCL and LCL indicates the process is exhibiting common causes of variation.

Name: In applying quality control charts, a sample statistic that falls outside the UCL and LCL indicates the process is exhibiting common causes of variation.
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Question

Quizplus · Accepted Answer

A sample statistic outside the UCL and LCL indicates special causes of variation, not common causes. Common causes are indicated by points within the control limits.

In Applying Quality Control Charts, a Sample Statistic That Falls