Year UNM Returns Y 10 % 23 % 15 25 9 11 14 - 15 10 4 5 15 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.) Y Average returns Variances Standard deviations x T % 1.30500 141.42% % 2.57200 16.04%