Two older men were sitting on a park bench talking about their youth. The darts player bragged that he had an average score of 84 when he was in his prime. The bowler scoffed and said that his league average was 210 when he was in his prime. The mean darts score is 76, and the standard deviation is 4.5. The mean bowling score is 180, and the standard deviation is 21. Which man was the better athlete? Justify your answer by showing your work.