Regression equation

Sources of variance

Quadratic sum

df

Mean square

F value

P value

Return variance

12762.19

3

4016.194

57.0962

0.0011

Plant height

Remaining variance

312.8671

4

74.1526

Total variance

12882.35

7

1860.974

R = 0.9881

R2 = 0.9763

Return variance

102.7231

3

34.241

59.1547

0.0011

Stem diameter

Remaining variance

2.6228

4

0.6483

Total variance

112.4332

7

15.4637

R = 0.9881

R2 = 0.9764