please answer all parts so i can check my answers thank you

Using the following returns, calculate the arithmetic average returns, the variances, and the standard deviations for X and Y. Year 1 2 3 4 5 Returns 13 % 23 % 31 44 20 -10 -21 -24 22 52 Requirement 1: (a)Calculate the arithmetic average return for X. 13.00% (b)Calculate the arithmetic average return for Y. 17.00% Requirement 2: (a)Calculate the variance for X. (Do not round intermediate calculations.) 0.040188 Requirement 1: (a)Calculate the arithmetic average return for X. 13.00% (b)Calculate the arithmetic average return for Y. 17.00% Requirement 2: (a)Calculate the variance for X. (Do not round intermediate calculations.) 0.040188 (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)