In: Statistics and Probability
Returns on stocks X and Y are listed below:
| Period | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 
|---|---|---|---|---|---|---|---|
| Stock X | 5% | 6% | -2% | -4% | 6% | 10% | 7% | 
| Stock Y | 1% | -3% | 6% | 3% | 12% | 7% | -5% | 
Consider a portfolio of 40% stock X and 60% stock Y.
What is the (population) variance of portfolio returns?
Please round your answer to six decimal places.