Source of variance

Sum of squares

Degree of freedom

Means squared

Value F

Sig.

Average

0.247

2

0.123

0.417

0.659

Family monthly income

5.499

2

2.750

9.297

0.000

Fathers’ education

5.567

2

2.784

9.412

0.000

Mothers education

5.458

2

2.729

9.227

0.000

Error

106.764

361

0.296

Overall

122.458

369