Youve observed the following returns on Crash-n-Burn Computers stock over the past five years: 3 percent, -9 percent, 25 percent, 17 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) 10.46% 11.42% 12.00% 9.60% 7.78%

Requirement 2:
(a)	What was the variance of Crash-n-Burns returns over this period? (Do not round intermediate calculations.)
	(Click to select) 0.01718 0.01392 0.01790 0.01563 0.01374

(b)	What was the standard deviation of Crash-n-Burns returns over this period? (Do not round intermediate calculations.)
	(Click to select) 13.38% 15.60% 11.72% 13.11% 10.62%