15. What was the standard deviation for this stock? a, b. c. d. e. 12.72% 14.68% 16.25% 18.20% 20.15% A stock has an average return of 12.3% and a standard deviation of 14.6% what rang-of- returns would you expect to see around 2/3 of the time? a. b, e. d, e, -16.9% to 41.5% -2.3% to 26.9% -31.5% to 50.1% -10.0% to 39.2% -8.3% to 27.5% 17. You have a data series with a mean of 140 and a standard percent of the observations will fall within which of the following ranges? deviation of 25. Approximately 95 a. 15 to 265 b. 40 to 240 c. 65 to 215 d. 90 to 190 e. 115 to 165 18. Ov er the period 1926-2017, large company stocks had an average return of about a. 7% b. 9% c. 10% d. 12% e. 16% 19. Abrokerage account which permits the investor to buy and sell securities on credit is a a. call money account. b. maintenance margin. c. cash account. d. margin account. e. hypothecation account. 15. What was the standard deviation for this stock? a, b. c. d. e. 12.72% 14.68% 16.25% 18.20% 20.15% A stock has an average return of 12.3% and a standard deviation of 14.6% what rang-of- returns would you expect to see around 2/3 of the time? a. b, e. d, e, -16.9% to 41.5% -2.3% to 26.9% -31.5% to 50.1% -10.0% to 39.2% -8.3% to 27.5% 17. You have a data series with a mean of 140 and a standard percent of the observations will fall within which of the following ranges? deviation of 25. Approximately 95 a. 15 to 265 b. 40 to 240 c. 65 to 215 d. 90 to 190 e. 115 to 165 18. Ov er the period 1926-2017, large company stocks had an average return of about a. 7% b. 9% c. 10% d. 12% e. 16% 19. Abrokerage account which permits the investor to buy and sell securities on credit is a a. call money account. b. maintenance margin. c. cash account. d. margin account. e. hypothecation account