Returns Year X Y 1 14% 20% 2 17 29 3 8 15 4 -11 5 10 19 -10 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 the average returns and standard deviations as a percent rounded to 2 decimal places e.g., 32.16, and round the variances to 5 decimal places, e.g., 32.16161.) % Average returns Variances Standard deviations 3, % %