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The attached text file has the 2017 monthly returns of Apple and Disney. Import it into Excel. Create an additional column that is 50% Apple's
The attached text file has the 2017 monthly returns of Apple and Disney. Import it into Excel. Create an additional column that is 50% Apple's return and 50% Disney's return (this would be the monthly return of a portfolio where your wealth is equally split between the two stocks.) Calculate the average monthly return of the portfolio and its standard deviation using the raverage() and Estdev.s() functions. While you are at it, compare these results to the average return and standard deviation of returns for the stocks individually. Date Apple 20170131 20170228 20170331 20170428 20170531 20170630 20170731 20170831 20170929 20171031 20171130 20171229 Disney 4.77% 13.36% 4.87% -0.01% 6.78% -5.72% 3.27% 10.69% -6.02% 9.68% 2.04% -1.52% 6.17% -0.51% 3.00% 1.95% -6.63% -1.57% 4.20% -7.94% -2.60% -0.77% 7.17% 3.37% portfolio standard deviation = 3.4% per month portfolio standard deviation = 3.7% per month portfolio standard deviation = 4.2% per month portfolio standard deviation = 4.5% per month portfolio standard deviation = 4.9% per month
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