Variance-Covariance Matrix

Asset	Return	W	X	Y	Z
W	0.017579	0.000693	0.000191	0.000798	0.000439
X	0.017854	0.000191	0.000378	0.000144	0.000391
Y	0.004609	0.000798	0.000144	0.001336	0.000534
Z	-0.00592	0.000439	0.000391	0.000534	0.001115

4. What is the variance of asset Z?

A 0.017854

B 0.001115

C 0.000439

D 0,000391

E 0.000534

5. What is the covariance between W and Z?

A 0.000693

B 0.000439

C 0.000191

D -0.00592

E None of the above.