ly Assignment VI i 3 ts eBook Print References Variance 0.3203 11.6 % Saved 3 You've observed the following returns on Regina Computer's stock over the past five years: 7%, -12%, 11%, 38%, and 14%. a. What was the arithmetic average return on Regina's stock over this five-year period? (Round the final answer to 1 decimal place. Average return b-1. What was the variance of Regina's returns over this period? (Do not round intermediate calculations. Round the final answer to 5 decimal places.) 17.9 % Help Save & Exit Check my b-2. What was the standard deviation of Regina's returns over this period? (Do not round intermediate calculations. Round the final answer to 1 decimal place.) Standard deviation