Question 1... bob just joined a new gym and signed up for a one-year membership. Membership fees can be paid in 12 monthly payments of $55, due at the beginning of each month or in one payment today. If the appropriate interest rate is 10%, how much should he pay today for the annual membership?

$691.24

$688.16

$630.81

$628.01

$636.48

Question 2: A group of 10 friends is 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
D	178		I	148
E	145		J	155

Calculate descriptive statistics to describe the study group's performance on the LSAT.

What is the mean LSAT score?

157.5

158.3

160.9

161.3

161.5

What is the standard deviation of LSAT scores?

8.4

8.5

11.1

9.8

10.2