Hi Ria, Control Chart is "A graphical representation of the statistically derived performance limits (normally ±2 standard deviations), which is used in statistical process control. By recording samples on a control chart, it is possible to identify the trends and to take remedial action before performance goes outside the limits". Best Regards, Arko. --- On Tue, 11/8/09, shailee shrivastava <imhappy2k5@yahoo.com> wrote:
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