Question: Please show work using excel with equations D E The following spreadsheet contains monthly returns for Cola Co. and Gas Co. for 2010. (You do

Please show work using excel with equations
D E The following spreadsheet contains monthly returns for Cola Co. and Gas Co. for 2010. (You do NOT need to fill out the 1 empty cells here again). Realized Returns Date Cola Co Gas Co. Portfolio of 55% Cola and 45% Gas Jan -10.84% -6.00% Feb 2.36% 1.28% Mar 6.60% -1.86% 2.01% -1.90% 18.36% 7.40% -1.22% -0.26% 2.25% 8.36% -6.89% -2.46% -6.04% -2.00% 13.61% 0.00% Nov 3.51% 4.68% 0.54% 2.22% Average return 2.02% 0.79% Volatility 8.24% 4.25% | Oct Dec Part I: calculate the correlation coefficient between Cola and Gas? Part II: use the equation on LC9 Slide #17 to calculate portfolio volatility again, and compare to your calcuation of portfolio volatility in the previous tab
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