Lsl and usl denoting the lower and upper specification limit

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Reference no: EM131089829

If a process variable is normally distributed, in the long run virtually all observed values should be between

a. With LSL and USL denoting the lower and upper specification limits, one commonly used process capability index is

C_p = 1 indicates a process that is only marginally capable of meeting specifications. Ideally, C_p should exceed 1.33 (a "very good" process). Calculate the value of C_p for each of the cork production processes described in the previous exercise, and comment. b. The C_p index described in (a) does not take into account process location. A capability measure that does involve the process mean is

Calculate the value of C_pk for each of the corkproduction processes described in the previous exercise, and comment.
c. How do C_p and C_pkcompare, and when are they equal?

Reference no: EM131089829

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