1. A process in control does not produce unacceptable output.

True ______ False______

1. Special cause variation may fall within the control limits.

True ______ False______

1. Which of the following is true of common cause variation?

A) It is uncontrollable.

B) It is centered around the mean.

C) It is inherent in the process.

D) All of the above.

E) None of the above