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  • December 2, 2002 at 8:54 am #30924

    Dennis Yeo
    ★ 20 Years ★
    Participant

    How can we integrate CMMI with Six Sigma. At which level of CMMI maturity would Six Sigma be most appropriate for integration.
    Should we implement CMMI first then follow by Six Sigma or otherwise.
    Is Six Sigma duplicating CMMI processes since CMMI also have Measurement & Analysis and Causal Analysis & Resolution. This thread has been moved to the IT/Software discussion forum. Please click here to continue the discussion.

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    January 16, 2003 at 8:33 pm #82236

    Greg Willits
    ★ 10 Years ★
    Participant

    I have same questionsThis thread has been moved to the IT/Software discussion forum. Please click here to continue the discussion.

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    May 28, 2003 at 6:55 am #86408

    Lingareddy, Pakala
    ★ 10 Years ★
    Participant

    Integrating the Six-Sigma methodologies with CMMI models (Staged and Continuos Representations) can be practiced with DFSS. In actual speaking DFSS is a mechanism of Project Defined Standard Process with Quantitative terms. These quantitative will be elicited from QFD and CTQ parameters of customer needs of the project/system/product/solution.This thread has been moved to the IT/Software discussion forum. Please click here to continue the discussion.

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    May 28, 2003 at 1:06 pm #86417

    Michael Ervick
    ★ 10 Years ★
    Participant

    In my view these are two tools that complement and validate each other very well. 
    If you define quality as “conformance to requirements” and you use Sigma as a measure of how often you conform to requirements, and you use CMMI to define the capabiliy maturity to conform to requirements, then the question is how to best align the two tools. 
    I think I would start by trying to find the bottom of each.  In other words, at what CMMI level or Sigma level will a business fail to fulfill its economic purpose and go out of business.  If, for example, performance below that of a level one CMM means economic death, then it might be equal the a Sigma level of 3.5.
    Just a few thoughts.
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    May 28, 2003 at 5:20 pm #86429

    Tim Stanbrook
    ★ 10 Years ★
    Member

    Indeed they do complement each other well.
    To answer the original question, Six Sigma most clearly intersects CMMI at Maturity Level 4, Quantitatively Managed.
    I don’t really agree that any kind of correlation between Maturity Levels and absolute Sigma value is appropriate. It’s VOC plus measurements of your existing processes that tells you what Sigma level you need. Higher CMMI maturity levels enables better understanding of improvement opportunities and faster progress implementing them, but doesn’t directly increase Sigma.

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    May 28, 2003 at 11:47 pm #86444

    Michael Ervick
    ★ 10 Years ★
    Participant

    Tim is absolutely correct in terms of Six Sigma the quality management methodology. 
     
    I apologize for my thoughts. I was thinking more in terms of sigma the standard deviation or basic probability measurement.  Even a CMM level one will have some degree of predictable success.
     
    Regards,
     
    Michael
     
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    January 28, 2006 at 5:43 am #133030

    Gaurav Kataria
    ★ 10 Years ★
    Participant

    Hi guys,
    This is a very interesting topic for in depth study. I am in total aggrement that both the mothodoligies work hand in hand.
    Can someone please provide me with some ppt/pdf/etc on comapisons (similarilies and differences) of CMMI and SixSigma. Benifits of this fusion will be really great!
    Thanks
    Gaurav
    India
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    May 11, 2006 at 2:06 pm #137531

    Tac
    ★ 10 Years ★
    Member

    Below is a link to a very good article on this topic.
    http://www.stsc.hill.af.mil/crosstalk/2003/09/0309shere.html
     
    TACThis thread has been moved to the IT/Software discussion forum. Please click here to continue the discussion.

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