Stocks A and B have the following historical returns: Year 2015 2016 2017 2018 2019 Stock...

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Stocks A and B have the following historical returns: Year 2015 2016 2017 2018 2019 Stock A's Returns Stock B's Returns (24.25%) 5.50% 18.50 38.67 14.33 39.13 26.73 48.25 (4.50) 43.86 Calculate the standard deviation of returns for each stock and for the portfolio. Answers: a) Standard deviation of returns for stock A = do % b) Standard deviation of returns for stock B = c) Standard deviation of returns for portfolio = % do % Stocks A and B have the following historical returns: Year 2015 2016 2017 2018 2019 Stock A's Returns Stock B's Returns (24.25%) 5.50% 18.50 38.67 14.33 39.13 26.73 48.25 (4.50) 43.86 Calculate the standard deviation of returns for each stock and for the portfolio. Answers: a) Standard deviation of returns for stock A = do % b) Standard deviation of returns for stock B = c) Standard deviation of returns for portfolio = % do %