Intro You've collected the following historical rates of return for stocks A and B: Year , . , 0.02 0.04 2016 2015 2014 0.08 0.05 0.19 0.07 Attempt 1/10 for 10 pts. Part 1 What was the average annual return for stock A 3+ decimals Submit B Attempt 1/10 for 10 pts. Part 2 What was the average annual return for stock B? 3+ decimals Submit Part 3 Attempt 1/10 for 10 pts. What was the standard deviation of returns for stock A? 3+ decimals Submit Attempt 1/10 for 10 pts. Part 4 What was the standard deviation of returns for stock B