Factors

Estimate

Std. Error

t value

Pr(>|t|)

(Intercept)

7.1635e+00

9.5210e−01

7.5238

3.602e−05***

x₁

−1.1947e+00

5.7674e−01

−2.0715

0.068194.

x₂

−1.3712e+00

5.7674e−01

−2.3775

0.041398*

x₃

−1.8570e+00

5.7674e−01

−3.2199

0.010491*

x₁:x₂

2.5000e−01

7.5358e−01

0.3317

0.747674

x₁:x₃

−1.9694e−16

7.5358e−01

0.0000

1.000000

x₂:x₃

2.5000e−01

7.5358e−01

0.3317

0.747674

$x_1^2$

2.0753e+00

5.7680e−01

3.5978

0.005768**

$x_2^2$

1.1916e+00

5.7680e−01

2.0658

0.068826.

$x_3^2$

1.1916e+00

5.7680e−01

2.0658

0.068826.