input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Height of group of 20 boys aged 10 years was 140 ± 13 cm and 20 girls of same age was 135 cm ± 7 cm. To test the statistical significance of difference in height, test applicable is -   (A) X2   (B) Z   (C) t   (D) F
output: ['(C) t <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) X2  (B) Z  (C) t  (D) F <> possible answers', '  Height of group of 20 boys aged 10 years was 140 ± 13 cm and 20 girls of same age was 135 cm ± 7 cm. To test the statistical significance of difference in height, test applicable is - <> context']