P12-7 Calculating Returns and Variability [LO1] 22 Using the following returns, calculate the arithmetic average returns, the variances, and the standard deviations for X and Y. 2 points Year 1 2. 3 4 5 Returns X Y 11 % 23 % 29 44 18 -19 -25 20 52 References Requirement 1: (a) Calculate the arithmetic average return for X. (Click to select) (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.) (Click to select) (b)Calculate the standard deviation for Y. (Do not round intermediate calculations.) (Click to select)