Cpk statistics for the upper and lower specification limits

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Reference no: EM132113987

Your company produces wheel rims for heavy-duty industrial vehicles. Each rim should weigh exactly 550 lbs. Weights as low as 544 lbs. and as high as 552 lbs. are acceptable. In 2017, the average weight of a wheel rim was 549 lbs. with a standard deviation of 0.75 lbs. What are the 3 standard deviation Cpk statistics for the upper and lower specification limits? What do these values tell you? The CEO intends to launch a new quality initiative which implies the use of six sigma-level quality when evaluating the process. How would this change your results?

Reference no: EM132113987

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