10 9 Problem 10-7 Calculating Returns and Variability Returns points Year -2345 1 11% 23% 15 26 -13 -14 10 11 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 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.) Average returns Variances Standard deviations Answer is complete but not entirely correct. 6.60 0.00994 % 12.40 % 0.02018 11.15 % 15.88 %