iSixSigma

Ststistics

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  • #51816

    Tig
    Member

    Does and one know what the confidence interval
    a/2=0.05  on one side and   a/2=0.05 on the tail
    Would it be 90%?
    Thanks

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    #180816

    Obiwan
    Participant

    Maybe there are others here smarter than me…but, to me, your question is nonsensical.  What do you mean by “one side” and “on the tail?”
    Obi

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    #180823

    Tig
    Member

    Your right I am not good with this stuff.The question is asking to identify the confidence interval used in the figure.
    I can put figure
    a over 2=0.05  on left side  and   a over 2=0.05 on the right side
    Is it 90%, 95%, 98% or 99%

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    #180827

    Craig
    Participant

    hint:
    .05+.05=.10
    1-.10=.90
     

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    #180828

    Eric Maass
    Participant

    Tig,
    This is what is referred to as a two-sided confidence interval, or setting up for a two-sided test.
    It could be referred to as a two-sided, 90% confidence interval, in that you have 90% confidence that the population parameter lies within the range between .05 on the left side and .05 on the right side.
    I hope that helps clarify things for you.
    Best regards,Eric Maass, PhDMaster Black Belt

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    #180832

    Tig
    Member

    Thank you. That was what I thought, but I am new to this
    and do not understand some of the questions.

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    #180836

    Ken Feldman
    Participant

    This Forum is more than happy to help people who do not understand their homework questions. Of course, that is why you should study on your own, seek help from fellow students or use a tutor.

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    #180929

    Craig
    Participant

    There is no such thing as a one-sided interval, is there?
     

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    #180934

    Mikel
    Member

    Yea, I think the quality of the Motorola guys is suspect.
    Their head quality guy is a goof.

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    #180947

    Taguchi
    Member

    One side is equal to 0.05 *1
    On the tail is equal to 0.025*2
    I guess!

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