Question: How is the capability index Ppk calculated? Select one: O a. The lower of (Process mean - LSL) or (USL - process mean) divided by

How is the capability index Ppk calculated?

How is the capability index Ppk calculated? Select one: O a. The lower of (Process mean - LSL) or (USL - process mean) divided by six times the within subgroup standard deviation b. The process tolerance divided by three times the overall standard deviation O c. The lower of (Process mean - LSL) or (USL - process mean) divided by three times the overall standard deviation d. The process tolerance divided by six times the within subgroup standard deviation

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