15% 18 20% 30 15 2 4916 10 5 20 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., 32.16161.) 1380 % Average return Variance Standard deviation References eBook & Resources Worksheet y work Previous attemp 0 Type here to search