please answer all parts right

Intro The following table shows realized rates of return for two stocks. 1 3 4 5 B 1 Year Stock A Stock B 2 1 14% 13% 3 2 -26% -14% 4 3 -6% -8% 4 5% 28% 6 14% 8% 7 6 16% 6% 5 7 | Attempt 1/10 for 10 pts. Part 1 What is the arithmetic average return for stock B? 3+ decimals Submit Attempt 1/10 for 10 pts. Part 2 What is the variance of stock A? 4+ decimals Part 3 Attempt 1/10 for 10 pts. What is the variance of stock B? 4+ decimals Submit | Attempt 1/10 for 10 pts. Part 4 What is the standard deviation of stock A? 3+ decimals Submit | Attempt 1/10 for 10 pts. Part 5 What is the standard deviation of stock B? 3+ decimals Submit