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 %	22 %
2	28	43
3	17	-8
4	-18	-22
5	19	51

Requirement 1:
(a)	Calculate the arithmetic average return for X.
	(Click to select)14.00%9.07%13.66%11.20%12.66%

(b)	Calculate the arithmetic average return for Y.
	(Click to select)21.50%13.93%17.20%20.98%19.44%

Requirement 2:
(a)	Calculate the variance for X. (Do not round intermediate calculations.)
	(Click to select)0.0249240.0381810.0307700.0384620.030545

(b)	Calculate the variance for Y. (Do not round intermediate calculations.)
	(Click to select)0.1250880.1175490.0810570.0940390.100070

Requirement 3:
(a)	Calculate the standard deviation for X. (Do not round intermediate calculations.)
	(Click to select)14.21%19.54%21.93%17.54%17.38%

(b)	Calculate the standard deviation for Y. (Do not round intermediate calculations.)
	(Click to select)25.62%39.54%30.67%34.29%31.63%