The annual returns of three stocks for the past seven years are given in the following table Year Stock X Stock Y Stock Z 2011 3 00 14 00 19 00 2012 9 00 7 00 11 00 2013 12 00 19 00 5 00 2014 19 00 13 00 12 00 2015 23 00 7 00 11 00 2016 5 00 3 00 7 00 2017 10 00 9 00 14 00 Determine the average ret...

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The annual returns of three stocks for the past seven years are given in the following table:

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The annual returns of three stocks for the past seven years are given in the following table:

Determine the average return and the standard deviation of returns for each stock. Which stock has the highest expected return and which one has the highest risk?
Determine the correlation coefficient and the covariance between each pair of stocks.