Returns Year X Y 1 18 % 22 % 2 32 33 3 8 18 4 25 30 5 10 24 Using the returns shown above, calculate the arithmetic average returns, the variances, and the standard deviations for X and Y. (Do not round intermediate calculations. Enter your average return and standard deviation as a percent rounded to 2 decimal places, e.g., 32.16, and round the variance to 5 decimal places, e.g., 32.16161.) X Y Average return % % Variance Standard deviation % %