6 Using the following returns, calculate the arithmetic average returns, the variances, and the standard deviations for X and Y. Returns Year Y 25% 1 2 24 46 3 13 -12 -14 -26 15 54 Calculate the arithmetic average return for X. 8.80% 11.00% 10.74% 9.94% 7.13% Calculate the arithmetic average return for Y 2345 X 6% Calculate the arithmetic average return for Y. 17.40% 21.75% 21.23% 19.66% 14.09% Calculate the variance for X. 0.020370 0.024945 0.019956 0.025463 Calculate the variance for Y. 0.124080 0.141968 0.113574 0.155100 0.100505 Calculate the standard deviation for X. 14.27% 15.79% 14.03% 17.84% 11.56% Calculate the standard deviation for X. 14.27% 15.79% 14.03% 17.84% 11.56% Calculate the standard deviation for Y. 35.22% 37.68% 33.70% 44.03% 28.53%