In order to draw inferences about p₁ − p₂, we take two independent samples − a sample of size n1 from population 1 and a sample of size n2 from population 2.

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In order to compare the means of two populations, we need to take independent samples from both populations. The formula for the difference of two sample means is used to draw inferences about the difference in means of two populations.

In Order to Draw Inferences About P1 − P2, We

In Order to Draw Inferences About P₁ − P₂, We