Process capability analysis assesses the inherent variation of manufacturing processes relative to specified tolerance limits. It quantifies whether a process consistently produces components within ...
If you do not specify both LSL and USL, the variable _CP_ is assigned a missing value. The process capability index C pk is computed as If you specify only USL, the index C pk is computed as You can ...
In this example, the capability index C pk is computed for the amplification data in AMPS. To examine the accuracy of this estimate, the following statements calculate a 90% confidence interval for C ...
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