Using the following returns, calculate the arithmetic average returns, the variances, and the standard deviations for X and Y. Year 1 2. 3 Returns 14 % 24 % 32 45 21 -10 -22 -24 23 53 5 Requirement 1: (a) Calculate the arithmetic average return for X. 13.60% (b) Calculate the arithmetic average return for Y. (Click to select) Requirement 2: (a) Calculate the variance for X. (Do not round intermediate calculations.) (Click to select) (b) Calculate the variance for Y. (Do not round intermediate calculations.) (Click to select) Requirement 3: (a) Calculate the standard deviation for X. (Do not round intermediate calculations.) 20.91% (b) Calculate the standard deviation for Y. (Do not round intermediate calculations.) (Click to select)