Use the following returns for X and Y. Returns Year 2.5 points Y 29.4% - 4.8 31.4 - 16.6 35.4 22.8% 17.8 10.8 21.6 5.8 3 4 5 eBook 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.) % Olo a. Average return b. Variance c. Standard deviation