3. At the end of a fishing derby, three friends analyzed their scores. Conner's mean score was 88 with a standard deviation of 12. Kami's mean score was 91 with a standard deviation of 15. Marga's mean score was 79 with a standard deviation of 9. Who was the more consistent fisherman? Justify your answer. (2 marks). 4. Given the following information, calculate the standard deviation. (3 marks) 2.5 3.0 1.5 2.0 1.0 2.5 3.0 3.0 3.0 2.0