Year 1 2 3 4 5 Returns 20% 15 % 23 35 - 21 9 14 10 25 - 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. Enter your varlance answers rounded to 5 decimal places, e.g.,16161.) Y 9.20% 13.60 % Average returns Variances Standard deviations % %