5. Semi-strong form market efficiency states that the value of a security is based on: a. b. c. d. e. All public and private information Historical information only All publicly available information All publicly available information plus any data that can be gathered from insider trading Random information with no clear distinction as to the source of that information One year ago, you bought a stock for $39.33 a share. You received a dividend of $1.62 per share during the year and sold the stock today for $45.47 a share. What is the total return on this investment? 6. a. 2.87 percent b. 4.12 percent C. 8.82 percent d. 15.61 percent e. 19.73 percent A stock has produced returns of 8 percent, -6 percent, 2 percent, 11 percent, -5 percent, and 7 percent for the past six years, respectively. What is the standard deviation of these returns? 7. a. 2.15 percent b. 6.11 percent c. 7.08 percent d. 14.66 percent e. 16.64 percent