You've observed the tollowing returns on Barnett Corporation's stock over the past five years:-29.4 percent, 16.6 percent, 36.2 percent, 3.8 percent, and 22.8 percent What was the arithmetic average return on the stock over this five-year period? (Do not round intermediate calculations and enter your answer as a percent rourn Arithmetic average return What was the variance of the returns over this period? (Do not round intermediate calculations and round your answer to 6 decimal places, e.g., 32.161616.) Variance What was the standard deviation of the returns over this period? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decima Standard deviation% References