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The Specification for the Cut Length of a Board Is

Question 4

Multiple Choice

The specification for the cut length of a board is 12 inches ± .5 inches. A sample of boards showed an average length of 11.8 inches and a standard deviation of .1 inches. The Cpk for this process is:


A) 7
B) 3
C) 2.33
D) 1
E) .42

Correct Answer:

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