8. TI Calculator Graded Problem Set 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: Calculate descriptive statistics to describe the study group's performance on the LSAT. What is the mean LSAT score? 160.9 157.5 158.7 161.3 157.1 What is the standard deviation of LSAT scores? 9.5 10.6 8.4 10.2 8.0 .