1 Use the following returns for X and Y. 5.55 points eBook Returns Year X Y 12345 22.6% 28.8% - 17.6 4.6 10.6 30.8 21.2 -16.2 5.6 34.8 References 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 retur b. Variance c. Standard deviation 8.48% 14.72 % % %