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anonymous
 one year ago
Question Below :D
anonymous
 one year ago
Question Below :D

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kropot72
 one year ago
Best ResponseYou've already chosen the best response.1Sorry, the table makes no sense to me.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0That's alright.... I think I got it anyways! Thanks for trying :D

amistre64
 one year ago
Best ResponseYou've already chosen the best response.1test of independence, is a chi squared test. if we view this 2x2 as a matrix, then the t.s. can be calculated as the square of the determinant, times n, divided by the product of the totals for each row/col a b  a+b c d  c+d  a+c b+d  n \[\chi^2=\frac{nA^2}{(a+b)(a+c)~(c+d)(b+d)}\]
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