Over the past five years, your investment provided the following percentage returns: Year Annual Return 2016 4.323% 2017 11.586% 2018 9.867% 2019 -4.520% 2020 10.234% Calculate the following statistics: (1/1000 of one percent without % sign, e.g. 12.671, if a negative percentage, -9.56):

1) Arithmetic mean for annual returns Answer

2) Standard deviation (sample) Answer Assume that the frequency distribution of annual returns followed a normal distribution. What is the range that you would expect the annual returns to fall within 95% of the time?

3) Lower limit of annual return Answer

4) Upper limit of annual return Answer