Statistical process control charts:
A) display the measurements on every item being produced.
B) display upper and lower limits for process variables or attributes and signal when a process is no longer in control.
C) indicate to the process operator the average outgoing quality of each lot.
D) indicate to the operator the true quality of material leaving the process.
E) are a graphic way of classifying problems by their level of importance, often referred to as the 80-20 rule.

Question

Quizplus · Accepted Answer

Statistical process control charts display upper and lower limits for process variables or attributes and signal when a process is no longer in control. They are used to monitor and control a process, not to classify problems by their level of importance or indicate the true quality of material leaving the process.

Statistical Process Control Charts