Returns Year Y 1 18 % 22 % 2 32 33 3 -25 -30 4 8 18 5 10 24 NM w N 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 rounded to 5 decimal places, e.g., .16161.) Average returns Variances Standard deviations 8.60% 0.04418 21.02% 13,40 % 0.06188 24.88%