Based on the historical returns shown below, what is the standard deviation of the stocks expected return for 2017?

Year	Return
2013	-12%
2014	21%
2015	-10%
2016	19%

Question 1 options:

1)

16.8%

2)

15.9%

3)

14.8%

4)

17.9%

5)

17.4%