Youve observed the following returns on Crash-n-Burn Computers stock over the past five years: 13 percent, 13 percent, 20 percent, 25 percent, and 10 percent.

b-1. What was the variance of the companys returns over this period? (Do not round intermediate calculations and round your answer to 5 decimal places, e.g., .16161.)

b-2. What was the standard deviation of the companys returns over this period? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.)