Use the following returns for X and Y. Returns 10 points Year vmtLO 22.2% - 17.2 10.2 20.4 5.2 27.6% - 4.2 29.6 - 15.4 33.6 eBook Print 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. 7 Average return b. Variance Standard deviation