Question: Using your data from Problem, calculate the portfolio standard deviation.
Problem: Your portfolio had the values in the following table for the four years listed. There were no withdrawals or contributions of new funds to the portfolio. Calculate your average return over the four-year period.
Year Beginning Value Ending Value
2013 $50,000 $55,000
2014 $55,000 $58,000
2015 $58,000 $65,000
2016 $65,000 $70,000