Model

Unstandardized coefficients

Standardized coefficients

t

Sig.

B

Std. Error

Beta

(Constant)

4.595

0.169

27.202

0.000

Z₁

−0.765

0.202

−0.545

−3.784

0.001

Z₂

−0.389

0.209

−0.271

−1.861

0.042

Z₃

0.473

0.198

0.339

2.393

0.023

Z₄

0.339

0.508

0.107

0.668

0.509