Problem 10-7 Calculating Returns and Variability [LO 1] Use the following returns for X and Y. Returns Year X Y 1 22.4 % 28.2 % 2 17.4 4.4 3 10.4 30.2 4 20.8 15.8 5 5.4 34.2 Requirement 1: Calculate the average returns for X and Y. (Do not round intermediate calculations. Enter your answers as a percentage rounded to 2 decimal places (e.g., 32.16).) Average returns X 8.32 % Y 14.48 % Requirement 2: Calculate the variances for X and Y. (Do not round intermediate calculations. Round your answers to 6 decimal places (e.g., 32.161616).) Variances X 11.22 Y Requirement 3: Calculate the standard deviations for X and Y. (Do not round intermediate calculations. Enter your answers as a percentage rounded to 2 decimal places (e.g., 32.16).) Standard deviations X % Y %