The SHEWHART Procedure

Capability Indices

Subsections:

The Index $C_ p$
The Index CPL
The Index CPU
The Index $C_{pk}$
The Index $C_{pm}$

This section provides formulas for process capability indices, which are saved in the OUTLIMITS= data set when you use the LSL= and USL= options to provide lower and upper specification limits (LSL and USL, respectively) for the process. The estimate $\hat{\sigma }$ is computed as described in the previous section, Methods for Estimating the Standard Deviation

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