Using the following returns, calculate the arithmetic average returns, the variances, and the standard deviations for X and Y. Year UWN 2 3 4 5 Returns X Y 11% 20 % 29 41 18 -10 -19 -24 20 49 Requirement 1: (a)Calculate the arithmetic average return for X 14.40% (b)Calculate the arithmetic average return for Y (Click to select) Proy 4 Next > 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)