The data from the previous problem was the average return of four year period which is 8.8%. There were no withdrawals or contributions to the portfolio

Year 2013 2014 2015 2016 Beginning Value $50,000 $55,000 $58,000 $65,000 Ending Value $55,000 $58,000 $65,000 $70,000 P5.2 Using your data from Problem 5.1, calculate the portfolio standard deviation