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Math Help - Need help finding T critical values

  1. #1
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    Need help finding T critical values

    My assignment is to find T critical values for a confidence level and a number n.

    For instance, find the T critical value for the confidence percentile 95% and n=17.

    I know how to find these values when there is a standard deviation known, but I have no idea what to do without one. Help is much obliged
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  2. #2
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    Quote Originally Posted by Byud View Post
    My assignment is to find T critical values for a confidence level and a number n.

    For instance, find the T critical value for the confidence percentile 95% and n=17.

    I know how to find these values when there is a standard deviation known, but I have no idea what to do without one. Help is much obliged
    The standard deviation is irrelevant when getting a critical value for the t-distribution.

    Consult this: http://www.statsoft.com/textbook/sttable.html#t
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