Year Returns X Y 12% 18% 26 12 10 - 19 -24 10 18 2 3 4 5 27 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.) & Answer is complete but not entirely correct. X % % Average returns Variances 8.20 2.72200 16.50 9.80 3.932038 19.83 Standard deviations % %