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Results tagged with z-test
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user 372507
The z-test is a statistical test for hypothesis testing that uses the standard normal distribution as the sampling distribution of the test statistic. A common example is the test for the difference of two proportions.
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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 …
