• Although Six Sigma is not governed by any one organization, ASQ LSS Body of Knowledge and Certification is highly recognized, however many companies with superb programs outside of ASQ are advertised on this site.

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  • Thanks for the follow up…and I must admit I really wish I could understand what it is that you were being asked to do because everything in your posts suggests you were supposed to build some kind of predictive regression model and, in that case, the fact of “the effect of the variation in the three metrics” is taken care of in the size and…[Read more]

  • Hey guys I appreciate the responses. After using the info from this thread and a couple calculations I came to the conclusion #4 was correct, and turns out, it was!
    THanks again, you guys are always a help.

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  • @sidharth There are many examples for Process Improvement in service industry. There are examples for reducing variation, shift or both.
    What is the exact help you would need for a 1 proportion test.
    if you can specify the details there is lot of help in the forum

  • So this is a problem that I cannot solve and all I am given is Cp and Cpk values. SO there has to be a way to do this problem.

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  • So this is a problem that I cannot solve and all I am given is Cp and Cpk values. SO there has to be a way to do this problem.

  • Ppm is a better result unless you know the number of value added opportunities to make the product/service.

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