A control chart is a run chart that has two additional horizontal lines called ________.
A)production specifications
B)legal limits
C)control limits
D)process statistics

Question

Quizplus · Accepted Answer

Control limits are two horizontal lines that indicate the upper and lower limits of variation in a process. These lines help to identify when a process is within control limits and when it has shifted outside of them, indicating a potential problem that needs to be addressed. Production specifications and legal limits may also be important considerations in quality control, but they are not specific to control charts. Process statistics may be used to calculate control limits, but they are not the lines themselves.

A Control Chart Is a Run Chart That Has Two