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The process capability index, or process capability ratio, is a statistical measure of process capability: the ability of an engineering process to produce an output within specification limits. [1] The concept of process capability only holds meaning for processes that are in a state of statistical control. This means it cannot account for ...
The process capability is a measurable property of a process to the specification, expressed as a process capability index (e.g., C pk or C pm) or as a process performance index (e.g., P pk or P pm). The output of this measurement is often illustrated by a histogram and calculations that predict how many parts will be produced out of ...
Process capability index (C pk), a measure of process capability; CPK coloring, a way to color atoms when visualizing molecular models; Creatine phosphokinase, an enzyme found in humans, or alternatively a blood test for it
Once a process is put into a state of statistical control, process capability is described using process capability indices, which are formulaically identical to P pk (and P p). [disputed – discuss] The indices are named differently in order to call attention to whether the process under study is believed to be in control or not.
The Richard S. Snell Stock Index From September 2011 to December 2012, if you bought shares in companies when Richard S. Snell joined the board, and sold them when he left, you would have a 18.7 percent return on your investment, compared to a 18.4 percent return from the S&P 500.
The Edwin M. Banks Stock Index From January 2008 to May 2012, if you bought shares in companies when Edwin M. Banks joined the board, and sold them when he left, you would have a 15.8 percent return on your investment, compared to a -7.5 percent return from the S&P 500.
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The Katherine D. Ortega Stock Index From January 2008 to June 2008, if you bought shares in companies when Katherine D. Ortega joined the board, and sold them when she left, you would have a 7.4 percent return on your investment, compared to a -12.6 percent return from the S&P 500.