Question: A key joint in a precision machining process has a lower specification limit of a width of 1.17 mm and an upper specification limit of
A key joint in a precision machining process has a lower specification limit of a width of 1.17 mm and an upper specification limit of 1.23 mm. The standard deviation is 0.007 mm and the mean is 1.2 mm.
What is the process capability index for the precision machining process?
Round off your answer to the SECOND decimal point.
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