1.5 sigma shift !!!

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July 28, 2003 at 4:01 pm #32905

Fontanilla
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Why we consider 1.5 sigma shift during caculating Six Sigma level ?
Is there any physical meaning ?
Any one provide my resources [ web site / books ] regarding sigma shift.
Thank to all of my well wisher
Dan

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July 28, 2003 at 4:53 pm #88408

Scott C.
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DAN,
I am sure that I won’t be the only one to suggest this but do a forum search for 1.5 sigma shift! This has been discussed sooo many times that it’s rediculous. Finding a thread on this topic should be easy.
Regarding references, read Quality Engineering Volume 14, Number 3, 2002 pages 479-488. It is a well written article by Davis R. Both titled “Statistical Reason for the 1.5 Sigma Shift”.
Scott C.

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July 28, 2003 at 5:12 pm #88409

Heebeegeebee BB
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https://www.isixsigma.com/library/content/c010701a.asp
See the above link for info on the shift.

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