Use the following returns for X and Y Returns Year 2 4 273% -4.3 29.9 223% 10.3 20.6 5.3 -15.6 33.9 Calculate the average returns for X and Y. (Do not round intermediate calculations and enter your answers as a percent rounded to 2 decimal place e.g., 32.16.) Average returns 8.30 % 14.36 % 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 0.025033 0.054549 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 15.82 % 23.36 %