Returns Year X Y 12345 13% 27% 26 36 7 11 -5-29 11 16 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, and round the variance answers to 5 decimal places, e.g., .16161.) Average returns % Variances Standard deviations % %