input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Mean and standard deviation can be worked out only if data is on   (A) Nominal scale   (B) Dichotomous scale   (C) Interval/Ratio scale   (D) Ordinal scale
output: ['(C) Interval/Ratio scale <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Nominal scale  (B) Dichotomous scale  (C) Interval/Ratio scale  (D) Ordinal scale <> possible answers', '  Mean and standard deviation can be worked out only if data is on <> context']