Year 2 3 4 5 Returns X Y 17 % 22% 31 32 12 16 -24 -29 10 23 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., 16161.) Average returns Variances Standard deviations