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Statistical Techniques and 6 Sigma six sigma formulas and tables.

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Author  Topic: six sigma formulas and tables. 
WALLACE Forum Contributor Posts: 46 
posted 06 May 2001 09:38 PM
I am looking for a list of Six Sigma formulas and the explanation of these formulas with sigma and yield tables, Any body help? Thanks in advance. Wallace. IP: Logged 
Ken K. unregistered 
posted 08 May 2001 09:06 AM
I think you need to be more specific about formulas you're asking for. I'll give you a few and see if that's what you're asking for: DPU=Defects/Units DPMOp=DPMO=PPM=Total 1,000,000*(Defects/Opportunities) DPMOp=1,000,000*(DPU/Opportunities SIGMA = SQRT(LN(1/(1EXP(DPMOP/1000000))^2))(2.55155+0.802853*SQRT(LN(1/ where DPMOP=defects per million opportunities First Time Yield= RolledUpYield= Also try http://www.isixsigma.com/offsite.asp?A=Fr&Url=http://www.qualitydigest.com/mar00/html/sixsigma.html Also check out some of the information on http://www.isixsigma.com IP: Logged 
WALLACE Forum Contributor Posts: 46 
posted 09 May 2001 05:28 PM
Thanks Ken k, I am just getting started in six sigma and, I feel overwhelmed by all of the Mathematical formulas that are used to calculate the most common used functions of six sigma, I guess I need to get familiar with the most commonly used calcualtions. Wallace. IP: Logged 
Greg Mack Forum Contributor Posts: 37 
posted 10 May 2001 02:57 AM
Just take the normal factors for computing central lines and 3 sigma control limits for XBar, s and r charts. A cpk of 2 equals 6 sigma. That's probably about as basic as it gets. IP: Logged 
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