If we want to perform a one-tail test for differences between two populations of nominal data with exactly two categories,we must employ the z-test of p₁ -p₂.

Name: If we want to perform a one-tail test for differences between two populations of nominal data with exactly two categories,we must employ the z-test of p 1 -p 2 .
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The z-test of p₁ - p₂ is used to test for differences between two populations of nominal data with exactly two categories.

If We Want to Perform a One-Tail Test for Differences