Which one of the below points related to Statistical Process Control is not always entirely true?
OPTIONS
- A stable process is controlled
- An unstable process is not in control
- A stable process doesn’t have Special Causes of Variation, mostly
- A stable process is capable
ANSWER
A stable process is capable
EXPLANATION
you cannot definitively say that a stable process is capable unless you do a check on the capability, so THE FOURTH OPTION is correct.