Using the following returns, calculate the arithmetic average returns, the variances, and the standard deviations for X and Y. Year 1 2 3 4 5 Returns X 14 % 24% 32 45 21 -13 -22 -27 23 53 Calculate the arithmetic average return for X 13.60% 17.00% 16.59% 15.37% 11.02% Calculate the arithmetic average return for Y. 16.40% 20.50% 20.01% 18.53% 13.28% Calculate the variance for X. 0.043730 0.054658 0.043726 0.054663 0.035421 Calculate the variance for Y. 0.124080 0.139971 0.111977 0.155100 0.100505 Calculate the standard deviation for X. 20.91% 23.38% 20.81% 26.14% 16.94% Calculate the standard deviation for Y. 35.22% 37.41% 33.46% 44.03% 28.53%