Talk:Process capability index: Difference between revisions

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Cpk
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It would be ''really'' helpful, I think, if someone could add a sentence or two for each measure to say what a "good" value is ... e.g., 1.0 is good, higher is better, things like that. [[User:Sn14534|Sn14534]] 13:13, 19 July 2007 (UTC)
 
== Cpk ==
 
I have noticed that the Ckp value equation has an mistake; there shoud be T instead of µ (targed instead of estimated/calculated mean). If µ is used, the result is PPk. Could someone make the correction, please.
 
Antti 29th Aug 2007