A sample statistic that falls inside the control limits suggests there is assignable variation in the process.

Question

Quizplus · Accepted Answer

A sample statistic that falls inside the control limits suggests that the variation in the process is due to common causes and is in control, meaning there is no assignable variation. On the other hand, if a sample statistic falls outside the control limits, it suggests that the variation in the process is due to special causes, indicating there is assignable variation.

A Sample Statistic That Falls Inside the Control Limits Suggests