Question: For a given process, the distance between the upper and lower specification limits equals 6 , and the CPK value is 0 . 5 .

For a given process, the distance between the upper and lower specification limits equals 6, and the CPK value is 0.5. What do we know about this process?
Select one:
a. The process is in control.
b. The natural process variability is larger than the distance between the upper and lower specification limits.
c. The process is not centered.
d. There is an error because the CPK value cannot be less than 1.00.

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