Youve observed the following returns on Crash-n-Burn Computers stock over the past five years: 4 percent, -9 percent, 25 percent, 15 percent, and 12 percent.

Requirement 1:

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

(Click to select) 11.75% 11.19% 9.40% 10.25% 7.61%

Requirement 2:
(a)	What was the variance of Crash-n-Burns returns over this period? (Do not round intermediate calculations.)
	(Click to select) 0.01315 0.01477 0.01298 0.01623 0.01692

(b)	What was the standard deviation of Crash-n-Burns returns over this period? (Do not round intermediate calculations.)
	(Click to select) 13.01% 10.32% 12.74% 11.39% 15.16%