In: Finance
Using the data in the following? table, and the fact that the correlation of A and B is 0.02?, calculate the volatility? (standard deviation) of a portfolio that is 80% invested in stock A and 20% invested in stock B.
Stock A Stock B
2005
-12
16
2006
13 20
2007
8
7
2008
-1 -1
2009
5 -12
2010
6 15
The standard deviation of the portfolio is?