Youve observed the following returns on Doyscher Corporations stock over the past five years: 28.2 percent, 15.8 percent, 34.6 percent, 3.4 percent, and 22.4 percent.

Requirement 1:

What was the arithmetic average return on the stock over this five-year period? (Do not round intermediate calculations. Enter your answer as a percentage rounded to 2 decimal places (e.g., 32.16).)

Arithmetic average return

%

Requirement 2:

(a)	What was the variance of the returns over this period? (Do not round intermediate calculations. Round your answer to 6 decimal places (e.g., 32.161616).)

Variance

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

Standard deviation

%