Year 1 2 3 4 5 Returns Y 10 % 15 % 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 as a percent rounded to 2 decimal places, e.g., 32.16, and round the variance to 5 decimal places, e.g., .16161.) X 7.40% Average returns Variances Standard deviations Y 9.60% 16.28000 2.65% 13.35000 1.78%