Using the following returns, calculate the arithmetic average returns, the variances, and the standard deviations for X and Y.
Returns
Year X Y
1 10 % 20 %
2 28 41
3 17 -8
4 -18 -22
5 19 49
Requirement 1:
(a) Calculate the arithmetic average return for X.
(b) Calculate the arithmetic average return for Y.
Requirement 2:
(a) Calculate the variance for X. (Do not round intermediate calculations.)
(b) Calculate the variance for Y. (Do not round intermediate calculations.)
Requirement 3:
(a) Calculate the standard deviation for X. (Do not round intermediate calculations.)
(b) Calculate the standard deviation for Y. (Do not round intermediate calculations.)