12-2

Problem 12-7 Calculating Returns and Variability (LO1) Year 1 2 3 4 5 Returns X Y 13% 18% 27 28 8 10 -20 -25 10 19 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, and round the variance answers to 5 decimal places, e.g., .16161.) ces % % Average returns Variances Standard deviations % % %