Use the following returns for X and Y. Returns Year X Y 1 21.7 % 26.1 % 2 16.7 3.7 3 9.7 28.1 4 19.4 14.4 5 4.7 32.1 Calculate the average returns for X and Y. (Do not round intermediate calculations and enter your answers as a percent rounded to 2 decimal places, e.g., 32.16.) Average returns X % Y % Calculate the variances for X and Y. (Do not round intermediate calculations and round your answers to 6 decimal places, e.g., 32.161616.) Variances X Y Calculate the standard deviations for X and Y. (Do not round intermediate calculations and enter your answers as a percent rounded to 2 decimal places, e.g., 32.16.) Standard deviations X % Y %