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Convert CPK to Sigma

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Convert DPMO/Sigma To Cpk | iSixSigma

Convert DPMO/Sigma To Cpk Cpk = Z(short-term) which is sigma level / 3. However, if you are starting with DPMO, convert it to a decimal value(divide by 1,000,000 ...

From:http://www.isixsigma.com › Dictionary

How to Convert PPM to CPK | eHow UK

How to Convert PPM to CPK. PPM and Cpk are Six Sigma quality management terms used in manufacturing. Companies ascribing to a Six Sigma methodology work …

From:http://www.ehow.co.uk › Hobbies

Cpk to Sigma Level - iSixSigma

Hi Weisusu, The formula for Cpk is : Cpk = SpecMax-Average/3*Sigma OR Cpk=Average- SpecMin/3*Sigma. Therefore Cpk=2 corresponds to 6* Sigma.

From:http://www.isixsigma.com › Topic

How to Calculate Cpk Value | eHow

Oct 07, 2010 · Cpk, or the process capability index, measures how closely a process is performing relative to specification limits. Cpk can be used to measure a team or ...

From:http://www.ehow.com › … › Running a Business › Operating a Business

Sigma Conversion Chart — DMAIC, How-to Guide, Excel and ...

The following chart shows the theoretical defect rates that can be expected from various sigma levels, assuming that the underlying data is normally distributed

From:http://www.dmaictools.com/dmaic-measure/sigma-conversion-chart

Cpk Process Capability Study - DMAIC: Six Sigma Tools

Cpk is a common measure of process capability that compares process position (mean) and variation (standard deviation) with design specification limits.

From:http://www.dmaictools.com/dmaic-measure/cpk

How to Calculate CPK With Excel (5 Steps) | eHow

Sep 30, 2011 · Learning how to calculate CPK in Microsoft Office Excel can save you time if you’re planning on doing statistical data calculations. CPK is used to ...

From:http://www.ehow.com › Computers › Computer Software › Microsoft Excel

Six Sigma Conversion Tables

Long Term Sigma / PPM / Cpk Table. The conversion table below is similar to the one above but lets discuss the differences. It is very important to remember that DPMO ...

From:http://www.six-sigma-material.com/Tables.html

What is the conversion for PPM defects vs. Sigma Equivalents?

Here is a quick comparison of what Tim is talking about - Comparison of Process Fallout Based on Cpk values with 1.5 sigma allowance for normal shift (modern)

From:http://elsmar.com/Forums/showthread.php?t=10779

Cpk - Six Sigma Material

Description: Cpk is a short term process index that numerically describes the "within subgroup" or "potential" capability (Ppk is long term indicator) of a process ...

From:http://www.six-sigma-material.com/Cpk.html

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