Table 2 Statistical analysis of PBD showing coefficient values, t- and p-values for each variable affecting ACP production

Intercept

38.3822

0.40769

94.1451

9.68E⁻¹¹

100

X₁

6.0748

12.1496

0.49931

12.1661

1.88E⁻⁰⁵

29.6063

99.9981

X₂

-2.0195

-4.0391

0.49931

-4.0446

0.00676

9.84252

99.3232

X₃

0.6301

1.2602

0.49931

1.26191

0.25381

3.070866

74.6186

X₄

-0.8562

-1.7125

0.49931

-1.7149

0.13718

4.173228

86.2815

X₅

-0.517

-1.0340

0.49931

-1.0354

0.34038

2.519685

65.9610

X₆

-1.4056

-2.8112

0.49931

-2.8150

0.03055

6.850394

96.9447

X₇

2.9081

5.8163

0.49931

5.8242

0.00112

14.17323

99.8873

X₈

2.5850

5.1700

0.49931

5.1771

0.00206

12.59843

99.7939

X₉

-2.3911

-4.7823

0.49931

-4.7888

0.00303

11.65354

99.6964

X₁₀

1.0986

2.1972

0.49931

2.2002

0.07007

5.354331

92.9923

X₁₁

-0.0323

-0.0646

0.49931

-0.0647

0.95050

0.15748

4.94958

ANOVA

Df

SS

MS

F

Significance F

Regression

11

797.046

72.45873

24.21885

0.0004

Std. Dev

1.37

Residual

6

17.95099

2.991832

Mean

38.38

R²

0.9789

C.V.%

3.56

Adj. R²

0.9625

PRESS

151.10

Pred. R²

0.8104

Adeq. Precision

27.2797