Essay
A steel company is interested in determining if a particular process in its mini-mill is capable of meeting customer expectations. The thickness of steel has an upper limit of 0.540 mm and a lower limit of 0.480 mm. The process has a standard deviation of 0.02 mm.
a.What is the process capability index (Cp) for this process?
b.What must the standard deviation of the process be changed to for the Cp to equal 1.00?
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a.Cp = (USL - LSL)/6 ? = (0.540 - 0.480)/...View Answer
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