Question: Using the data in the following table, and the fact that the correlation of A and B is 0.50, calculate the volatility (standard deviation) of

Using the data in the following table, and the fact that the correlation of A and B is 0.50, calculate the volatility (standard deviation) of a portfolio that is 50% invested in share A and 50% invested in share B.

What is the standard deviation of the portfolio in percentage?

Stock A Stock B
2005 -2 26
2006 15 31
2007 8 5
2008 -6 -10
2009 4 -14
2010 8 35

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