Dependent variable

Independent variable

Regression coefficients ± standard errors and p-values (in brackets)

R² values

(%)

p-values for regression equation

MSE

Normality test

(p-values)

Equality of variances (p-values)

n

b₀

b₁

b₂

ln(TTAB)

ln(D_0.15)

−1.903 ± 0.15

(<0.0001)

2.313 ± 0.05

(<0.0001)

96.0

<0.0001

0.090

<0.005

0.860

87

ln(TTAB)

ln(D_1.3)

−1.163 ± 0.09

(<0.0001)

2.190 ± 0.04

(<0.0001)

97.5

<0.0001

0.050

<0.005

0.821

88

ln(TTAB)

ln(D_3.0)

1.619 ± 0.11

(<0.0001)

1.450 ± 0.05

(<0.0001)

93.3

<0.0001

0.150

<0.005

0.320

85

ln(TTAB)

ln(CD)

0.822 ± 0.16

(<0.0001)

2.631 ± 0.11

(<0.0001)

92.0

<0.0001

0.180

<0.005

0.287

83

ln(TTAB)

ln(Ht)

−0.277 ± 0.35

(<0.0001)

2.461 ± 0.20

(<0.0001)

64.7

<0.0001

0.770

<0.005

0.604

89