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Search options not deleted user 372507

A proportion is the fraction of some total that is of a particular kind, either (i) as a count of one type of thing out of a total count, or (ii) as a component of a continuous variable.

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2 proportion Z/T test?

I want to find out if 2 proportions are different or not. For one, sample size is <30. For the other, it's much >30. Can I use the Z test since one size is large? Or do i have to use the t test? Or ca …
viktor nikiforov's user avatar