20 Use the following returns for X and Y. Returns 9.09 points Year X Y 1 21.3% 24.9% 2 -16.3 -3.3 3 9.3 26.9 00:34:20 4 18.6 -13.6 5 4.3 30.9 eBook Print References a. Calculate the average returns for X and Y. Note: Do not round intermediate calculations and enter your answers as a percent rounded to 2 decimal places, e.g., 32.16. b. Calculate the variances for X and Y. Note: Do not round intermediate calculations and round your answers to 6 decimal places, e.g., .161616. c. Calculate the standard deviations for X and Y. Note: Do not round intermediate calculations and enter your answers as a percent rounded to 2 decimal places, e.g., 32.16. a. Average return b. Variance Y % % c. Standard deviation % %