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Minitab 14 question

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  • June 2, 2006 at 2:29 pm #43612

    Tommy
    ★ 10 Years ★
    Member

    for Gage R&R Crossed(Variable study)1) what is the ideal alpha value to be entered under the options column to remove the interaction term from the model?This is with refernce to ANOVA method.
    2)Can anybody explain the reasoning behind alpha option?what is the default?
    3)Again in the Process tolerance option what does this mean?does it mean if USL=23.1, LSL=22.5 process tolerance=0.6?
    It would be of great help if somebody can answer the above questions
    Thanks
    Tommy
     
     

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    June 2, 2006 at 2:42 pm #138549

    Elbrin
    ★ 10 Years ★
    Participant

    Tommy, Everyone
    MiniTab has an excellent help menu and even better online technical support.  I suggest you use it.
    https://customer.minitab.com/

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    June 2, 2006 at 2:48 pm #138550

    Anonymous
    ★ 10 Years ★
    Participant

    The default alpha to remove is 0.25. This reduces the beta risk, but I prefer to use 0.1, which is the default used in another software tool.
    Q3. Yes.
     
     

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