Using the following returns, calculate the arithmetic average returns, the variances, and the standard deviations for X and Y.
Returns Year X Y 1 13 % 21 % 2 31 42 3 20 -12 4 -21 -26 5 22 50
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.)