Which of the following statements are true regarding control charts?

I. Specification limits are the same as control limits.
II. If there is no assignable cause of variation, the process is in control.
III. A shift in the average will show up on the portion of the and R chart.

A) II and III only are true.
B) I and III only are true.
C) I and II only are true.
D) I, II, and III are true.
E) None of the above is true.


A

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Fill in the blank(s) with the appropriate word(s).

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Fill in the blank(s) with the appropriate word(s).

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