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    Hiya, my n1 and n2 values are 50 and 39.

    they are too large for the critical number tables im finding on the internet

    could anyone help me in finding 5% significance value for me?

    Thanks!
    marcus
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    When n values get much larger than 20 you generally use a different test called normal approximation. This is why your stat tables don't include numbers much past 20

    http://en.wikipedia.org/wiki/Normal_distribution
    http://en.wikipedia.org/wiki/Binomia..._approximation
 
 
 
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