1. A stock had returns of 18.74 percent, 22.23 percent, 15.53 percent, 9.23 percent, and 28.30 percent for the past five years. What is the standard deviation of the returns?
13.74%
29.49%
21.47%
2.95%
17.17%
2. If the risk premium on the stock market was 6.87 percent and the risk-free rate was 2.57 percent, what is the stock market return?
7.55%
9.44%
6.87%
10.30%
4.30%