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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
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

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1 REPLY 1
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