Process Capability

內容大綱
Statistical Process Control for Managers is an eight-chapter book published by Business Expert Press in 2014 and written by Victor E. Sower, professor emeritus of operations management at Sam Houston State University. The book provides a conceptual approach to using statistical process control (SPC) to inform and improve decision-making around business processes and quality improvement. The author reviews the basic methods of SPC and provides practical guidance for using specific tools. He incorporates real-world examples throughout the book and ends each chapter with a summary of key points, as well as questions for managers to ask when applying the concepts to their own organizations. In Chapter 7, Process Capability (14 pages), the author explores methods for process improvement depending on whether there is a specified target value. He considers the importance of both process control and capability, and reviews measurement methods for both variable and attribute data. He looks at appropriate uses of process capability indices and process indices, with examples for both double-sided and single-sided specifications. He also examines adaptations for using process capability with non-normal Distributions. He reviews the methods for measuring attribute data, such as PPM and sigma notation.
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