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The selection of proper SPC charts is essential to effective statistical process control
implementation and use. It is important to use best chart for the given situation and need.
Using Shewhart quality control charts to detecting small process shill is not effective. This
paper shows that the cumulative-sum control charts (CUSUM) and Exponentially Weighted
Moving Average control charts (EWMA)...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.