Please answer the parts I have incorrect

2 You've observed the following returns on Crash-n-Burn Computer's stock over the past five years: 11 percent, -10 percent, 19 percent, 18 percent, and 10 percent. 20 points What was the arithmetic average return on the company's stock over this five-year period? (Do not round intermediate calculations and enter your answer as a percent rounded to 1 decimal place, e.g., 32.1.) a. b-1. What was the variance of the company's 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 company's 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.) Answer is complete but not entirely correct. a. Average return bVariance 9.6 % 0.10904 b- Standard deviation 10.44 % 2