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What is the sixth sigma

Six Sigma – iSixSigma Forums Old Forums General What is the sixth sigma

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  • #27404

    rathinakumar
    Participant

    DMAIC define, measure, analyze, improve, control.
    I only count 5 processes, whats the sixth?
    DMADV define, measure, analyze, design, verify
    I only count 5 processes, what isthe sixth process?

    I ask these questions just out of sheer curioisty. I was reading about the six sigma implementation at Ford in the NY times today. I just want to know what the six processes are, I guess the six in the six sigma threw me off once I looked at DMADV and DMAIC.

    Please help
    Best Regards

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    #67030

    Murray
    Participant

    Go do your homework. The answer is obvious with even the slightest of effort. The creators of this web site have given you all the information you need. Go look and come back with a question that shows you are here to learn instead of being spoonfed.

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    #67047

    Praneet
    Participant

    Hi Allen
    Forgive him for he knows what he writes !!!!
    Hey Raja,
    I guess I agree with what Allen had to say to you …looks like you do need to do some homework..
    Heres a small clue
    6 Sigma does not mean that you have to follow 6 steps …but it means something else

    Happy learning

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    #67051

    Ken K.
    Participant

    1. define
    2. measure
    3. analyze
    4. improve
    5. control
    6. see dead people

    (scarey movie!)

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    #67053

    Russ
    Member

    Dear Allen,

    Don’t be so hard on Raja. Remember: there are no
    stupid questions, but there stupid replies (or at
    least mean-spirited ones.)

    Russ

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    #127942

    Charles Boone
    Participant

    The sixth is “produce”

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    #127944

    Sandrine
    Member

    What do  you  mean  by “see dead  people”?Please share  the  fun,thanks

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    #127950

    Bill Craig
    Participant

    Raja,
    Enjoy your deep dive into Six Sigma! You probably have found out what the six sigma terminology really means by now. (Not by this thread of course!). To add to the humor (all in good fun), the 6th sigma is somewhere between 4.5 and 6.0.  Cheers!

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    #156320

    pkl100
    Participant

    sixth sigma
    is 6th standard deviations , ( 1 standard deviation is 1 sd is 1 sigma )
     
    DMAIC and DMADV are easy to remember acronyms reminding the user of the keys steps towards working thru the process
     
    DMAIC and  /or DMADV are used to acheived a 6th sigma standard
     
    1 sigma = approx 32% failures
    6th sigma = approx 0.0003% failures
     
    Good Luck

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    #156324

    Lisa
    Participant

    The name Six Sigma derives from statistics, as it is said that there are six standard deviations from a specified mean. it has to do with variation.
    however, i conducted a number of expert interviews in the field Six Sigma, and noone was able to tell me why Six Sigma is called Six Sigma… I just know that it derives from statistics…

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    #156326

    Ken Feldman
    Participant

    The name Six Sigma is not derived from statistics.  It was an arbitrary determination and name developed by Bill Smith at Motorola.  Do a little research on him.  Mikel Harry, the grandfather and inventor of Six Sigma made the phrase a household word…..ha ha gotcha for those who were ready to pounce.  Where is Stan when ya really need him???? Who says we really need him????

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    #156328

    CT
    Participant

    Just when you think the World is flat, isn’t it amazing how a simple literal translation is lost?
    CT

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    #156333

    Vidyadhar
    Member

    Hello people,
    I dont understand why all the six sigma experts have to be so mean to a person who doesnt know much abt six sigma….
    Raja… the word six sigma operation came from the measure of variatioon in the process ( Std deviation)…
    When we say a process is operating at Six Sigma… it means that the std deviation of the process is so low that the normal distribution plot for such a process will display USL & LSL 6 std deviation from the mean performance…….

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    #156364

    BritW
    Participant

    I don’t think the experts were mean to the person who asked the question.  It was the person who tried to answer it.  Couple things that irked me about this thread (for what it’s worth):

    The question was 6 years old, so luckily, the poor answers given were probably not read.
    Lisa’s response was wrong as pointed out by Darth – so correcting someone’s response when it is wrong is not mean.
    Lisa’s assertion that she spoke with numerous experts had to also be wrong – or that they were not experts.  Basic BB history in the class provides a background of where the term six sigma came from.  Sigma is the greek letter for standard deviation.  Six Sigma is something completely different as is Sigma Level.  It was not rooted in statistics but in experimentation (some will argue wrong or right – don’t care here).
    So- I don’t knwo why people get slammed when they try to correct an obvious mislabeling of the very profession we are in!  Seems like appropriate responses to me.

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