The Use of Statistical Quality Control Charts to Evaluate Changes in Individual Performance
نویسندگان
چکیده
منابع مشابه
Use and interpretation of statistical quality control charts.
Originally developed at Bell Laboratories by Dr Walter Shewhart [1] in 1924 specifically to help detect statistical changes in process quality, control charts have since become one of several primary tools of quality control and process improvement. Quality control charts are chronological graphs of process data that, although based in statistical theory, are easy for practitioners to use and i...
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Under estimated in-control parameters, the Phase II control chart performance is expected to vary among practitioners due to the use of different Phase I data sets. Accordingly, the typical measure of Phase II control chart performance, the average run length (ARL), becomes a random variable. In the literature, control charts with estimated parameters were assessed and the appropriate amounts o...
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ژورنال
عنوان ژورنال: Proceedings of the Human Factors and Ergonomics Society Annual Meeting
سال: 1997
ISSN: 2169-5067,1071-1813
DOI: 10.1177/1071181397041001126