Year 1 2 3 4 5 Returns Y 15% 20% 18 30 9 15 - 11 - 16 10 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. Ente the average returns and standard deviations as a percent rounded to 2 decimal places, e.g., 32.16, and round the variances to 5 decimal places, e.g., .32161.) Answer is complete but not entirely correct