Returns Year Y 1 12% 14 % 2 29 3 - 27 -33 4 14 17 5 19 37 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 answers as a percent rounded to 2 decimal places, e.g., 32.16. Enter your variance answers as a decimal (not as a percent) rounded to 5 decimal places, e.g., 16161.) Y % % Average returns Variances Standard deviations % %