Youve observed the following returns on Crash-n-Burn Computers stock over the past five years: 4 percent, -12 percent, 25 percent, 21 percent, and 17 percent.

Requirement 1:

What was the arithmetic average return on Crash-n-Burns stock over this five year period?

(Click to select) 8.91% 13.09% 11.00% 11.99% 13.75%

Requirement 2:
(a)	What was the variance of Crash-n-Burns returns over this period? (Do not round intermediate calculations.)
	(Click to select) 0.01843 0.01820 0.02370 0.02070 0.02275

(b)	What was the standard deviation of Crash-n-Burns returns over this period? (Do not round intermediate calculations.)
	(Click to select) 17.95% 13.49% 12.22% 15.39% 15.08%