A group of 10 friends are trying to go to law school and they studied for the Law School Admission Test (LSAT) together. Their LSAT scores were: Student Score Student Score A 165 F 162 B 158 G 166 C 152 H 154 178 1 148 147 3 161 Calculate descriptive statistics to describe the study group's performance on the LSAT. What is the mean LSAT score? O 159.1 160.9 161.3 157.5 158.3 What is the standard deviation of LSAT scores? DE What is the standard deviation of LSAT scores? 9.4 8.5 10.2 10.8 8.4