Question: The upper and lower specifications for a service are 8.0 min and 6.5 min respectively. The process average is 6.70 min . If a 5-stigma
The upper and lower specifications for a service are 8.0 min and 6.5 min respectively. The process average is 6.70 min . If a 5-stigma process capability is desired what should the process mean and standard deviation be?
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