Variable

Coefficient

Std.Error

t-Statistic

Prob.

C

6213.884

639.3657

9.718826

0.0000

Z

0.000178

8.30E−06

21.42347

0.0000

X3

−0.000198

1.09E−05

−18.22098

0.0000

R-squared

0.935038

F-statistic

230.2991

Adjusted R-squared

0.930978

Prob(F-statistic)

0.000000