1. A stock produced annual returns of 8%, -12%, 6%, 1%, and 19% over the last five years, respectively. What is the variance of these returns? a. 0.050920 b. 0.012730 c. 0.044667 d. 0.010184 e. 0.009914

2. A stock produced annual returns of 20%, -12%, 16%, and 2% over the last four years, respectively. What is the standard deviation? a. 19.89% b. 21.17% c. 16.87% d. 17.48% e. 14.55%

3. Maria purchased a stock for $42.67 a share and sold it one year later for $43.89 a share. She also received a dividend of $1.20 per share. What was her capital gains yield? a. 5.51% b. 2.34% c. 2.86% d. 5.67% e. 4.99%

4. For a 5-year period, a stock had annual returns of 6.4%, -11.2%, 0.3%, 19.8%, and 13.4%. What is the geometric average return? a. 5.18% b. 5.74% c. 10.02% d. 7.93% e. 9.96%