Calculate the arithmetic average return for X.

12.40%, 15.50%, 15.13%, 14.01%, 10.04%

Calculate the arithmetic average return for Y.

15.60%, 19.50%, 19.03%, 17.63%, 12.64%

Calculate the variance for X.

0.036930, 0.046014, 0.036812, 0.046163, 0.029913

Calculate the variance for Y.

0.113430, 0.127808, 0.102247, 0.141787, 0.091878

Calculate the standard deviation for X.

19.22%, 21.45%, 19.09%, 24.02%, 15.57%

Calculate the standard deviation for Y.

33.68%, 35.75%, 31.98%, 42.10%, 27.28%

Using the following returns, calculate the arithmetic average returns, the variances, and the standard deviations for X and Y. Year 1 2345 Returns X Y 12% 22% 30 43 19 -12 -20 -26 21 51