Y

X1

X4

X5

X6

Y

1.0000

X1

−0.0020

(0.9890)

1.0000

X4

−0.4259

(0.0016)

−0.0459

(0.7468)

1.0000

X5

−0.3835

(0.0050)

−0.4054

(0.0029)

0.7347

(0.0001)

1.0000

X6

−0.2360

(0.0921)

0.5633

(0.0001)

0.6011

(0.0001)

0.0939

(0.5081)

1.000