Year X 21.2% -16.2 9.2 18.4 Uw 24.6% - 3.2 26.6 - 13.4 30.6 4.2 a. 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.) b. Calculate the variances for X and Y. (Do not round intermediate calculations and round your answers to 6 decimal places, e.g., 32.161616.) C. 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.) a. Average return Variance c. Standard deviation 7.36% 176.374400 13.28 % Y 13.04 % 317.734400 13.28 % Year X 21.2% -16.2 9.2 18.4 Uw 24.6% - 3.2 26.6 - 13.4 30.6 4.2 a. 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.) b. Calculate the variances for X and Y. (Do not round intermediate calculations and round your answers to 6 decimal places, e.g., 32.161616.) C. 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.) a. Average return Variance c. Standard deviation 7.36% 176.374400 13.28 % Y 13.04 % 317.734400 13.28 %