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It is not about the Math

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  • #43568

    Elbrin
    Participant

    It seems too often that I see belts attempting to analyze a process from their desk.  The mentality being that the math will do the work for them, and unlock the secrets of the universe.  Why do we get so tangled up around the math?  Six Sigma requires only a basic understanding of statistical methods.  We are so worried whether the p-value is .05 or not, so concerned that we must never skip a step in Six Sigma playbook, that we forget to just look at the process and use a little critical evaluation in our thought.  Many posts on this site seem to indicate that this mindset is common place.  How many strings begin asking about cpk, t tests, or using control charts with non-normal data.  Don’t get me wrong these tools are valid, and I do not advocate abandoning them, but use some intelligence before blindly employing them just so you can present another number that will not be understood by anyone but you.

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    #138374

    EdG
    Participant

    Elbrin,
    Now this is just a guess…
    Maybe the reason is because it is easier in a forum like this to ask a specific question about something that is puzzleing the poster with regard to a specific tool than to ask folks on this forum to “come meet me on the floor and we will talk about this problem.”
    Occasionally you get questions with regard to the culutural (soft side) but mostly they are with the technical side.  Just the nature of the net I guess…

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    #138387

    Elbrin
    Participant

    EdG,
    I understand that the nature of web forums often dictate how and what questions get asked.  I was not basing my statement solely on posts to this board, but what I observe from belts in the field and in training.  I see too much focus on generating multiple charts that all say the same thing.
    Just my thoughts….

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