Which of the following indicates that the use of a two-sample z-interval for a difference in population proportions is appropriate? Two populations of interest exist. The variable of interest is categorical. The intent is to estimate a difference in sample proportions.     I only A II only B III only C I and II only D I, II, and III

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2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.