input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** If we know the value of one variable in an individual and wish to know the value of another variable, we calculate -   (A) Coefficient of correlation   (B) Coefficient of regression   (C) SE of mean   (D) Geometric mean
output: ['(B) Coefficient of regression <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Coefficient of correlation  (B) Coefficient of regression  (C) SE of mean  (D) Geometric mean <> possible answers', '  If we know the value of one variable in an individual and wish to know the value of another variable, we calculate - <> context']