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Math Help - What is more accurate?

  1. #1
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    What is more accurate?

    What is more accurate to get information about the p , a 95% confidence interval or a 2 tailed z-test??

    Please i really need help.

    Cheers
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  2. #2
    Grand Panjandrum
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    Quote Originally Posted by Benny89 View Post
    What is more accurate to get information about the p (population proportion) , a 95% confidence interval or a 2 tailed z-test??

    Please i really would need some help.

    Cheers
    They are different things, one gives a random interval which 95% of the time contains the population ptoportion, while the other test the plausability of a hypothesised proportion given the sample.

    RonL
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