Problem 12-7 Calculating Returns and Variability [LO1] Returns Year X Y 1 10% 15% Thi 24 25 10 14 -17 -22 10 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.) X Y Average returns % % Variances Standard deviations % % 2345