Question: explain to me how to solve this question. Using the data in the following table, and the fact that the correlation of A and B

explain to me how to solve this question.
Using the data in the following table, and the fact that the correlation of A and B is 0.31 , calculate the volatility (standard deviation) of a portfolio that is 50% invested in share A and 50% invested in share B. Click on the icon located on the top-right corner of the data table below to copy its contents into a spreadsheet. The standard deviation of the portfolio is \%. (Round to two decimal places.)
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