Regression statistic

Upper segment

Mid-segment

Lower segment

Multiple R

0.179106

0.705522

0.385936

R Square (R²)

0.032079

0.497761

0.148946

Adjusted R Square

−0.07547

0.455908

−0.06382

Standard Error

0.154365

0.024722

0.032822

Observations

11

14

6