Downtown Industries?? common stock had returns of 5.2, 10.3, 9.3, and 9.5 percent, respectively, over the past four years. What is the standard deviation of

Downtown Industriesâ?? common stock had returns of 5.2, 10.3, 9.3, and 9.5 percent, respectively, over the past four years. What is the standard deviation of these returns? 1 answer