For questions 2 and 3, you need to report the calculated portfolio weights and betas, not simply qualitative descriptions.

2-) 1.Find the minimum variance portfolio of the four stocks. What is the corresponding mean and standard deviation of the return of this portfolio? Find the efficient portfolio with =1.6%r _p=1.6%. What is the corresponding standard deviation of the return of this portfolio?

3-) Find the beta of the four stocks using S&P 500 index (^GSPC) as the market portfolio. What can you tell from the four betas?