Returns Year X 20% 15% 35 2 23 316 21 4 5 10 14 25 Using the returns shown above, calculate the arithmetic average return, 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. Enter your variance answers rounded to 5 decimal places, e.g, 32.16161.) Average returns Variances Standard deviations