Question: The quality manager is assessing the capability of a process that puts pressurized grease in an aerosol can. The design specifications call for an average
The quality manager is assessing the capability of a process that puts pressurized grease in an aerosol can. The design specifications call for an average of 60 pounds per square inch (psi) of pressure in each can with an upper specification limit of 65 psi and a lower specification limit of 55 psi. The process has recently been in a state of statistical control with mean 61 psi and standard deviation of 2 psi. What is the capability of the process (Cpk)?
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