You’ve observed the following returns on Yasmin Corporation’s stock over the past five years: 14 percent, –7 percent, 17 percent, 15 percent, and 10 percent.

a. What was the arithmetic average return on Yasmin’s stock over this five-year period? (Do not round intermediate calculations. Enter your answer as a percent rounded to 1 decimal place (e.g., 32.1).)

Average return %

b-1. What was the variance of Yasmin’s returns over this period? (Do not round intermediate calculations. Round your answer to 5 decimal places (e.g., 32.16161).)

Variance   

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

Standard deviation %