A researcher is interested in estimating the difference in two population proportions.A sample of 400 from each population results in sample proportions of .61 and .64.The point estimate of the difference in the population proportions is _______.
A)-0.030
B)0.625
C)0.000
D)0.400
E)0.500

Question

Quizplus · Accepted Answer

The point estimate of the difference in the population proportions is calculated by subtracting one sample proportion from the other. Thus, 0.61 - 0.64 = -0.03.

A Researcher Is Interested in Estimating the Difference in Two