1) A stock had returns of 6 percent, -22 percent, 18percent, 12 percent, and -2 percent over the past five years. What is the standard deviation of these returns?

A) 18.74 percent

B) 10.21 percent

C) 11.68 percent

D) 15.52 percent

E) 13.49 percent

2) A stock has annual returns of 5 percent, 21 percent, -12 percent, 7 percent, and -6 percent for the past five years. The arithmetic average of these returns is _____ percent while the geometric average return for the period is _____ percent.

A) 3.89; 3.52

B) 3.89; 4.26

C) 3.62; 3.89

D) 3.00; 3.28

E) 3.00; 2.37