Returns Year X Y 1 20% 15% 2 2345 23 35 9 14 -16 -21 10 25 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 answers as a percent rounded to 2 decimal places, e.g., 32.16, and round the variance answers to 5 decimal places, e.g., .16161.) X Y Average returns 200 % 200 % Variances Standard deviations % %