International Journal for Quality in Health Care, Vol. 14, No. 3 (June 2002), pp. 251-258 (8 pages) Background. Quality assurance of medical practice requires assessment of doctors' performance, ...
Lucas (1982) introduced a combined Shewhart-cusum scheme that is illustrated in this example. Also refer to Ryan (1989). The data set used here is CANS, which is created in "Creating a One-Sided Cusum ...
The authors present a simple-to-use Microsoft Excel-based statistical tool that uses cumulative sum techniques to aid retrospective understanding of data trends. Process variability must be assessed ...
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