Instructions: Answer the following questions using the data provided. You may use excel if it helps but you should show your work wherever possible. 1. Risk. Suppose you are evaluating the risk of 10 year US Treasury bonds. The returns from the previous five years are listed below. Year 2016 2017 2018 2019 2020 a 10-Yr T-Bond's Return 14.04% 2.979 -9.18% 10.75% 1.55% Calculate the average annual return, the variance of returns, and the volatility of returns. (6 points) Calculate the range of values we can be 95% sure returns will fall within. (4 points) b