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Calculate a point estimate of cpk

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Question: A normally distributed quality characteristic has specification limits at LSL = 50 and USL = 60. A random sample of size n = 50 results in= 55.5 and s = 0.9.

(a) Calculate a point estimate of Cpk.

(b) Find a 95% confidence interval on Cpk.

(c) Is this a 6s - process? Why or why not?

Reference no: EM131549692

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