Control charts that are properly constructed and maintained prevent false out-of-control signals and provide a useful method for monitoring a process. Process control is and has been an important ...
The author outlines key considerations for carrying out a structured approach to monitoring process performance and ensuring product quality. Routine, ongoing assessment of process performance and ...
The Shewhart chart is named after Walter A. Shewhart (1891-1967), a physicist at the Bell Telephone Laboratories, who introduced the method in 1924 and elaborated upon it in his book Economic Control ...
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