Youve observed the following returns on Crash-n-Burn Computers stock over the past five years: 3 percent, 12 percent, 29 percent, 17 percent, and 14 percent.

A. What was the arithmetic average return on the company's stock over this five-year period?

B. What was the variance of the company's returns over this period?

C. What was the standard deviation of the companys returns over this period?