Questions: 1/ The following are daily returns for the Dow Jones Industrial average during the week of October 13. The returns are rounded to the nearest whole number. 11% a. -1.00% -8.00% Calculate the arithmetic mean return. b. Calculate the geometric mean return. 5.00% -1.00% 2/The sample data below shows the number of hours spent by five students over the weekend to prepare for Monday's Business Statistics exam. 2 12 7 3 5 The sample standard deviation of the number of hours spent by the five students is the closest to A) 15.7 hours B) 3.96 hours C) 12.56 hours D) 3.54 hours 3/1/As of September 30, the earnings per share (EPS) of five firms in the beverages industry are as follows: 1.13 2.41 1.52 1.40 The 25th percentile and the 75th percentile of the EPS are the closest to 0.41 A) 0.77 and 1.97 B) 0.91 and 1.77 C) 1.77 and 0.91 D) 1.97 and 0.77