Study the group of tests administered to a class where Gab belongs, then answer the question. In which subject did Gab perform best in relation to the group's mean performance? Explain SUBJECT МEAN...

Study the group of tests administered to a class where Gab belongs, then answer the question. In which subject did Gab perform best in relation to the group's mean performance?  Explain


Extracted text: SUBJECT МEAN Standard deviation Gab's score Mathematics 56 10 43 Biology 55 9.5 51 Philosophy 80 11.25 88 PE 75 9.75 82