5. Using the matrix from question 4, The beta coefficient for BRK is equal to: 1) 2.46 2) .83 3) 1.34 4) None of the above

4.

4) Please analyze the data below and explain the relationship between MSFT, AAPL, BRK, and the S&P. Determine the correlation coefficients of the companies and the S&P. Is the relationship what you expected?

Variance / Covariance Matrix

	MSFT	AAPL	BRK	S&P
MSFT	0.004565
AAPL	0.00221	0.005788
BRK	0.000377	0.000188	0.002514
S&P	0.001955	0.001715	0.001122	0.002058