The principal focus of the control chart is the attempt to separate special or assignable causes of variation from common causes of variation. Which causes of variation can be reduced only by
Changing the system?
A) Special or assignable causes
B) Common causes
C) Total causes
D) None of the above

Question

Quizplus · Accepted Answer

Common causes of variation are inherent in the system and can only be reduced by changing the system itself.

The Principal Focus of the Control Chart Is the Attempt