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s_ard
Level I

How does JMP calculate Ppk/Cpk?

What equation does JMP use to calculate Ppk and Cpk values of a dataset given LSL and USL?

 

Is it exactly as the equation below or does JMP use a different variant?

 

Thanks,

s_ard

1 ACCEPTED SOLUTION

Accepted Solutions
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txnelson
Super User

Re: How does JMP calculate Ppk/Cpk?

Here is a selection taken from the JMP Documentation Library, on the Statistical Details for Cpk

cpk.PNG

The JMP Documentation Library is found under the Help pull down menu

 

Jim

View solution in original post

1 REPLY 1
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txnelson
Super User

Re: How does JMP calculate Ppk/Cpk?

Here is a selection taken from the JMP Documentation Library, on the Statistical Details for Cpk

cpk.PNG

The JMP Documentation Library is found under the Help pull down menu

 

Jim

View solution in original post