_type_ _NAME_ x1 x2 x3 y
COV x1 4.2145 0.5488 0.8303 0.4888
COV x2 0.5488 3.8952 0.3988 -0.1917
COV x3 0.8303 0.3988 4.1160 -0.6489
COV y 0.4888 -0.1917 -0.6489 1.1805
MEAN   1.4857 1.9179 1.7107 -0.0464
N   75.0000 75.0000 75.0000 75.0000