DataPage Calculation Rules

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  • DataPage Calculation Rules

    Morning all

    Wondering if those of you that use data Page could tell me what I should be seeing or using per the calculation rules.

    As of now I see no difference in data if I have 4,5, or 6 sigma checked.
    I do notice a difference if I use estimated std. dev. for Cp, Cpk v.s. Use sample Std. dev. for Cp, Cpk.

    I haven't used this in awhile and forgot how I had it set up from where I used to work. I think I need to use the actual sample and not the estimated.

    Any thoughts?

  • #2
    Estimated is for use when you are measuring SOME of the total parts while SAMPLE is used when you measure ALL of the total parts in the batch/run/whatever.
    sigpic
    Originally posted by AndersI
    I've got one from September 2006 (bug ticket) which has finally been fixed in 2013.

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    • #3
      OK so if I am just running 10 out of the lot then I would use Estimated..

      Well that software is sure smart as to know what my other 20 will be!!! WOW --snicker--

      Thanks Matt it looks like I should use estimated per your response..

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