Regression statistics hardness model

Multiple R

0.982208

R square

0.964733

Adjusted R square

0.700233

Standard error

23.94703

Observations

18

ANOVA

df

SS

MS

F

Significance F

Regression

15

31374.44

2091.63

3.647383

0.236068

Residual

2

1146.921

573.4603

Total

17

32,521.36