Estella participates in a bowling league each summer and again each autumn. In Summer 2020, her mean score for the year was 139. For the whole league, the mean score was 148 with a standard deviation of 7. For Autumn 2020, her mean score was 156. The mean for the entire Autumn league was 163 with a standard deviation of 3.5. In which league (summer or autumn) did Estella perform better? For this midterm exam question, please explain your response and round any numeric answers to three (3) decimal places. (9 points)