A process capability index is a function of some parameters of some involved distribution and it speci es a quality characteristic. The process capability indices Cp, Cpk and Cpm have been used in manufacturing industries to provide a antitative measurement of the potential performance of the manufacturing. These indices are easy to apply. Most studies on process capability indices are focusing on point stimates, which may result in misleading assessments of process performance. In this paper, we consider Cp, Cpk and Cpm, and develop a simple and convenient procedure for decision making in assessing process capability.
關聯:
International Journal of Information and Management Sciences, 12(3), 29-42
