Intro A stock delivered the following annual returns over the last 4 years: Year 1 2 3 4 Return 7% 3% -8% 8% Part 1 IB Attempt 1/6 for 10 pts. What was the arithmetic average return over the 4 years? 4+ decimals Submit Attempt 1/6 for 10 pts. Part 2 What was the geometric mean return over the 4 years? 4+ decimals Submit Part 3 IB Attempt 1/6 for 10 pts. If you invested $1,000 at the beginning, how much would you have had at the end? 0+ decimals Submit Part 4 - Attempt 1/6 for 10 pts. What is the expected standard deviation of the stock's return based on the historical data? 3+ decimals Submit