Which of the following statements is correct when estimating the difference between two population proportions p₁ − p₂? A)We must take two independent samples. B)We count the number of successes in each sample. C)The sampling distribution of the difference of sample proportions is approximately normally distributed for large sample sizes. D)All of these choices are correct.

Question

Quizplus · Accepted Answer

To estimate the difference between two population proportions, we must take two independent samples and count the number of successes in each sample. The sampling distribution of the difference of sample proportions is approximately normally distributed for large sample sizes. Therefore, all of these choices (A, B, and C) are correct.

Which of the Following Statements Is Correct When Estimating the Difference