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what is really six sigma

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  • #39465

    Ruddy
    Participant

    Hi there,
     I knew six sigma  is hot in the world, especially in american company.
    But I have a question is what is really six sigma? Is a culture? a way that solve problem ,  just some change of quality control or something? Because I have discussed with some black blets about it? But nobody can get a clear answer.
    Does anybody can help me?  thanks :thanx:
    Michael

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    #120044

    Datasniper
    Participant
    #120056

    Ken Feldman
    Participant

    For the millionth time….look to the left at the blue box and find the link “New to Six Sigma?”.  All your answers are there.

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    #120061

    Mike Carnell
    Participant

    Michael,
    Doesn’t it bother you that your Black Belts can’t answer this? You may want to consider remedial Black Belt training and cancel the checks you sent to the person who trained them.

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    #120064

    Bob Lyon
    Participant

    It appears to me that Six Sigma is for business what EST is for individuals, with training prices appropriately scaled. Ultimately, the trainers of the program are the sellers of the program.

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    #120070

    Mike Carnell
    Participant

    Bob Lyon,
    I am not sure of the tone of your comment. My trainers don’t sell anything – directly. They deliver trained people and the results may sell something. Typically it is the deployment that sells it – which is where the Belts (MBB’s, BB’s & GB’s) operate as a team. That team needs more than just training to deliver the type of results most Leadership Teams are asking for. The Belts need a supportive environment in which  to operate.
    Just my opinion.
    Regards

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    #120079

    Dog Sxxt
    Participant

    What is Six Sigma?
    Tools wise: Old wine rebottle into a new bottle.
    Strong leadership will make any programs whether it is six sigma or six donkeys work. Get the Jack Welch’s latest book “Winnng” to understand what is six sigma and also non-nonsense management in real-life?
    Six Sigma talking about variation is evil and get rid of evil is six sigma.
     

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    #120080

    Dayton
    Member

    Hey Dog,
     
    Welcome back.
     
    I wouldn’t have thought it possible but that was even more bedeviling and abstruse than past postings.   Well done.  I bow to your mastery of ambiguous prose but accept it as a challenge.      
     Vinny

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    #120081

    Dog Sxxt
    Participant

    A same idea will be treated as “truth” if  it comes out from people like Jack Welch while it more bedeviling if the ideas from many people like dog.
    Only check in this website once a while. It’s pretty boring to see same six sigma masters uttering garbage.

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    #120082

    Ken Feldman
    Participant

    Vinny, nice contraction of abstract and obtuse.  I wonder if Dog got the joke.

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    #120086

    Dayton
    Member

    Darth,
     
    As much as I like to take credit for things, “abstruse” is a real word that predates Dog and me.   In fact, famous dead Italian mathematician Galileo Galilei (1564-1642) once, as he was being condemned by the Catholic Church for advocating that the earth revolved around the sun, used the word thusly:
     
    With regard to this argument, I think in the first place that it is very pious to say and prudent to affirm that the holy Bible can never speak untruth-whenever its true meaning is understood. But I believe nobody will deny that it is often very abstruse, and may say things which are quite different from what its bare words signify.
     
    Besides Dog wasn’t talking about me when he spoke/typed about SS masters uttering garbage.   Sure I utter a lot of garbage but rarely masterfully and rarely on topic.  
     
    Dog and I are buddies and I’m but a humble student of the SS field anyway.   He must have been talking about somebody else….  
     Vinny

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    #120096

    Ken Feldman
    Participant

    Main Entry:  

    abstruse

    Part of Speech:  

    adjective

    Definition:  

    difficult

    Synonyms:  

    abstract, complex, complicated, deep, enigmatic, esoteric, heavy, hidden, incomprehensible, intricate, involved, obscure, perplexing, profound, puzzling, recondite, subtle, unfathomable, vague

    Antonyms:  

    child’s play, clear, comprehensible, concrete, direct, easy, lucid, obvious, plain, simple

    Source:  

    Roget’s New Millennium™ Thesaurus, First Edition (v 1.1.1)Copyright © 2005 by Lexico Publishing Group, LLC. All rights reserved.
     
    If I recall correctly, he went on to say the following in that same letter to the Royal Duchess.  Seems abstruse was his favorite word of the day.
    Hence I think that I may reasonably conclude that whenever the Bible has occasion to speak of any physical conclusion (especially those which are very abstruse and hard to understand), the rule has been observed of avoiding confusion in the minds of the common people which would render them contumacious toward the higher mysteries.
    But Nature, on the other hand, is inexorable and immutable; she never transgresses the laws imposed upon her, or cares a whit whether her abstruse reasons and methods of operation are understandable to men.
    And if on this point it would not have been difficult to convince the common people, and yet the holy scribes forbore to attempt it, then it certainly must appear reasonable that in other and more abstruse propositions they have followed the same policy.

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    #120101

    Dayton
    Member

    Awesome.  
     
    Oddly it was also dictionary.com Word of the Day for Thursday April 19, 2001.  
     
    I wonder if there’s a cyclical implication and some abstract correlation.  I’ll work on it and get back with you.
     Vinny

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    #120105

    Peppe
    Participant

    Hi Michael,
    I think that SixSigma, as today intended, is a structured project management guidelines that use Quality, Statistic and Math tools, useful for processes improvement. For this reason SixSigma needs  to be planned as every good project/program. I don’t believe it is useful to apply for single problems that can be solved using specific tool, with less effort.
    Rgs, Peppe

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    #120106

    Paul Gibbons
    Participant

    Peppe,
    Unfortunately your statement is not totally valid. You can use the six-sigma DMAIC structured approach to process improvement on a single process. This is one of the benefits of six-sigma (from my experience); it can be proven to work on a single process as a pilot to gain buy-in (if need be) before a company wide initiative is undertaken.
    Paul

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    #120107

    adam roche
    Participant

    Six Sigma at many organizations simply means a measure of quality that strives for near perfection. Six Sigma is a disciplined, data-driven approach and methodology for eliminating defects (driving towards six standard deviations between the mean and the nearest specification limit) in any process — from manufacturing to transactional and from product to service. For example, Aer Lingus strive at a Six Sigma organisation because flying an aircraft with passengers means there is no room for error, it has to be flawless, otherwise people can be killed. i hope this helps your understanding
    regards/Adam.

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    #120108

    Peppe
    Participant

    Paul,
    I agree with you, maybe we are saying the same thing, but due to my weak english, I could be misunderstood. You can use SS approach either on single processes (project) or on multiple projects (program). In the same way, Process improvement, can be applied either on single process (project), than multliple processes (program). What I mean before, is that if you compare PM methodology (do a business case, define project in term of scope, time, money, manpower; define WBS, define PERT etc..), is very similar to SS structured methodology (DMAIC or DFSS) and often, also many tools are the same. SS put more emphasis on stat and data mining, because they are necessary for problem solving.
    I don’t know your experience in SS program, but for my knowledge, but my experience is that SS is widely introduced both as training than culture, but the program on which work are already identified (on progam business case is based the decison to apply SS), single processes are selected in define step.
    Rgs, Peppe

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    #120111

    Paul Gibbons
    Participant

    Hi Peppe,
    It was your statement  “……I don’t believe it is useful to apply for single problems that can be solved using specific tool, with less effort.” at which the criticism was directed.
    In your response I have to question your statement “……..SS put more emphasis on stat and data mining, because they are necessary for problem solving”. You do not always need stat (sic) for problem solving; there are other simpler methods that can be applied at the micro and macro levels of the ‘problem’ to facilitate the solving of problems.
    As always this is my opinion, based on my experience(s).
    Regards,
    Paul
    PS,
    Are six-sigma ‘belts’ brain washed into thinking that stats are the answer to everything? I know all of you stats guys love em but a more pluralist approach to problem solving surely would be better, wouldn’t it?

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    #120112

    Anonymous
    Guest

    Paul,
    Perhaps Peppe meant that there are better ways of solving problems than Six Sigma. I happen to share that view. But I have no argument with the statement that Six Sigma is a process pf process improvement; even though the definition of DMAIC, as published by ‘you know who,’ is not the DMAIC process as used by Motorola’s SPS waferfabs, and publshed internally by Jack Scholls.
    I take this position because a diagnosis of a problem has to include a ‘differentiation’ step – to compare what is a problem against what might reasonably be a problem but is not.
    Regards,
    Andy

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    #120113

    Peppe
    Participant

    Paul, I understand your notes, but I mean that for a single problem, often isn’t helpful to put in place a SS project (taking care of training, planning etc..), because as you say it can solved in different way, instead if you have more problems to approach, then SS can be convenient for use. About the Stats use, I stated that SS is mainly based on Stat tool and methodology, not that stat is the only or the most powerful. 
    Apologies for my english. 
    Rgs, Peppe

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    #120116

    Paul Gibbons
    Participant

    Andy U & Peppe,
    I agree with both of your statements as well as mine so I think we have got our wires crossed somewhere.
    Regards,
    Paul
     
     

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    #120118

    Anonymous
    Guest

    Paul,
    No problem … sometimes that is a good thing because unexpected insights can come out of a misunderstanding.. I am always happy to hear about a different opinion, experiences, etc.
    Best regards,
    Andy

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    #120153

    mariluz Cacheiro
    Participant

    This  is  the  right  attitude.

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    #120160

    mariluz Cacheiro
    Participant

    I like  this  very  short  definition:Flexible,Socio-Technical,Financial System.

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    #120161

    mariluz Cacheiro
    Participant

    Words of  Wisdom ?

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    #120177

    mariluz Cacheiro
    Participant

    Just Excellent  Explanation

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    #120179

    Trev
    Member

    Adam,
    If you’re going to quote from a source, you should really put it in quotes or indent it and give the reference. [Rant: Are people not familiar with citing sources. How can we continue to evolve thought leadership if we don’t even give credit to those before us?]
    In any case, here is where Adam pulled the first part of this post from:https://www.isixsigma.com/sixsigma/six_sigma.asp
    It appears that Adam’s information about Air Lingus might have been his own writing, although I’m not sure.
    Trev

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