The purpose of control charts is to
A)estimate the proportion of output that is acceptable.
B)weed out defective items.
C)determine if the output is within tolerances/specifications.
D)distinguish between random variation and assignable variation in the process.
E)provide meaningful work for quality inspectors.

Question

Quizplus · Accepted Answer

Control charts are used to monitor process variation and help identify whether variations are due to common causes (random variation) or special causes (assignable variation).

The Purpose of Control Charts Is to