Test for equality of proportions, Applied Statistics

Test for Equality of Proportions

For example, we may want to test whether the percentage of smokers (p1) among the males equals the percentage of female smokers (p2).

We take a sample of n1 men and n2 women. Suppose 2052_test for equality of proportions1.png represents the sample proportion of male smokers and 746_test for equality of proportions2.png the sample proportion of female smokers.

325_test for equality of proportions.png

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