Talk:Process performance index/Archives/2020
Appearance
This is an archive of past discussions about Process performance index. Do not edit the contents of this page. If you wish to start a new discussion or revive an old one, please do so on the current talk page. |
Difference vs. Cp and Cpk
I think this is just wrong:
"The indices are named differently in order to call attention to whether the process under study is believed to be in control or not."
Here's a web-reference from a reputable statistical software developer.
https://blog.minitab.com/blog/process-capability-statistics-cpk-vs-ppk