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Math Help - Quick question on p value?

  1. #1
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    Quick question on p value?

    hey



    • does anyone know why sometimes the p value is taken away from 1, other times you minus it from .5 and other times its just left?
    • and does anyone know how to get a value of a confidence interval?

    thanks and sorry i know they're quite easy!!
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  2. #2
    Junior Member piglet's Avatar
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    Quote Originally Posted by eleahy View Post
    hey



    • does anyone know why sometimes the p value is taken away from 1, other times you minus it from .5 and other times its just left?
    • and does anyone know how to get a value of a confidence interval?

    thanks and sorry i know they're quite easy!!

    Those questions make very little sense, confidence interval for what..? the mean..? do you want to use z-test or t-test?

    How did you think this is related to calculus?
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  3. #3
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    we're doing it in 2nd year calculus in university?? is it not??

    by confidence interval i ment find confidence interval of say 95.66 i know theres a table for 95 90 but other than them figures how can you find the confidence interval.

    and p value when you are doing hypothesis testing how do you know how to get the p value. and using z test for both
    sorry i wasn't clear enough
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