Estimates

Dependent Variable: Quality_System

age

Mean

Std. Error

95% Confidence Interval

Lower Bound

Upper Bound

25 - 34 tahun/years

4.467

0.170

4.128

4.805

34 - 44 tahun/years

4.020

0.093

3.835

4.205

45 - 55 tahun/years

4.156

0.170

3.817

4.494