The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Square root of pq/n indicates:   (A) Standard error of mean   (B) Standard error of difference of means   (C) Standard error of proportions   (D) Standard error of difference in proportions
['(C) Standard error of proportions <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Standard error of mean \n (B) Standard error of difference of means \n (C) Standard error of proportions \n (D) Standard error of difference in proportions <> possible answers', '  Square root of pq/n indicates: <> context@']