A simple question......
If you are comparing binary data from two groups with underlying
populations that are normal.....I assume you can use a two sample Z
test for binomial proportions or a chi squared test on a 2x2
contingency table.
What happens if the underlying populations aren't normal? I know
the Z test is out. Can you still employ the chi squared distribution.
If not, what non-parametric test could you use?
Thanks!!
MAC
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