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aravindan880
aravindan880
Level I

What is the formula for Control Chart Sigma when you do a capability analysis after you perform a presummarize control chart

Created: Apr 5, 2016 08:43 PM  |  Last Modified: Oct 18, 2016 7:20 PM (3388 views)

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txnelson
Super User txnelson
Super User

Re: What is the formula for Control Chart Sigma when you do a capability analysis after you perform a presummarize control chart

Created: Apr 6, 2016 09:15 AM  |  Last Modified: Oct 18, 2016 7:20 PM (3314 views)  |  Posted in reply to message from aravindan880 04-05-2016

I have scanned the JMP Book "Quality and Process Methods" and did not find a definitive answer, but my best estimation is that it is the In-Control Sigma.  Here is an excerpt from the book:

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Jim
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