Expected Return	Standard Deviation	Weight in Portfolio
Stock A	23.00%	35.00%	27.00%
Stock B	14.00%	21.00%	16.00%
Stock C	10.00%	24.00%	57.00%
-----------------------	-----------------------	-----------------------	-----------------------
Correlation (A,B)	0.9000	-----------------------	-----------------------
Correlation (A,C)	0.8600	-----------------------	-----------------------
Correlation (B,C)	0.5200

IN EXCEL

What is the variance of A?

What is the variance of B?

What is the variance of C?

What is the Correlation (A,A)?

What is the Correlation (B,B)?

What is the Correlation (C,C)?

What is the Covariance (A,A)?

What is the Covariance (A,B)?

What is the Covariance (A,C)?

What is the Covariance (B,A)?

What is the Covariance (B,B)?

What is the Covariance (B,C)?

What is the Covariance (C,A)?

What is the Covariance (C,B)?

What is the Covariance (C,C)?

What is the expected return on the portfolio above?

What is the variance on the portfolio above?

What is the standard deviation on the portfolio above?