A manufacturing company wants to ensure that the majority of parts are produced within a certain tolerance. Based on customer specifications, the company has determined that this tolerance is between 35 and 40 units. A large sample of data points collected revealed an average of 36 units with a standard deviation of 1.5 units. Calculate the process capability index and advise if the process is at an acceptable level for an existing process.

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Process capability ratio C p USL LSL60SD Cp 4... View the full answer