Use the following returns for X and Y. Returns Year X Y 1 22.8% 29.4% 2 1?.8 4.8 3 18.8 31.4 4 21.8 18.8 5 5.8 35.4 Requirement 1: Calculate the average returns for X and Y. (Do I Enter your answers as a percentage rounded Average returns % X Y "xi: Requirement 2: Calculate the variances for X and Y. (Do not rou your answers to 8 decimal places (e.g., 32.182 Variances X Y Requirement 3: Calculate the standard deviations for X at calculations. Enter your answers as decimal places (e.g., 32.16).) Standard deviations % -