Let p1 be the proportion of people in Country A coping with depression, and let p2 be the proportion of people in Country B coping with depression. What is the alternative hypothesis for a test to determine whether Country A has a lower proportion of people coping with depression than Country B? Select the correct answer below:   Ha: p1−p2=0   Ha: p1−p2>0   Ha: p1−p2<0   Ha: p1−p2≠0

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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.