Coefficients

Standard Error

t Stat

p-Value

Intercept

28.170

0.993

28.370

3.71E-88

X₁

0.077

0.004

17.640

1.04E-48

X₂

−0.013

0.013

−1.041

0.298

X₃

−23.483

0.434

−54.070

6.90E-160

X₄

−0.103

0.042

−2.450

0.015