If a point on a control chart falls outside one of the control limits, this suggests that the process output is nonrandom and should be investigated.

Question

Quizplus · Accepted Answer

A point falling outside the control limits on a control chart indicates a potential out-of-control process or special cause variation, suggesting that the process output is not simply random noise and warrants investigation to identify and correct the underlying issue.

If a Point on a Control Chart Falls Outside One