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Corrigendum to “The optimization of silica gel synthesis from chemical bottle waste using response surface” [Arab. J. Chem. 15(12) (2022) 104329]
⁎Corresponding author. yatimnikmah@gmail.com (Yatim Lailun Ni'mah)
This article was originally published by Elsevier and was migrated to Scientific Scholar after the change of Publisher.
The authors regret,
Table 3. Statistical regression analysis.
Dep. Variable:
Removal
R-squared:
0.938
Model:
OLS
Adj. R-squared:
0.826
Method:
Least Squares
F-statistic:
8.360
Date:
Fri, 14 Oct 2022
Prob (F-statistic):
0.0154
Time:
09:26:56
Log-Likelihood:
−37.841
No. Observations:
15
AIC:
95.68
Df Residuals:
5
BIC:
102.8
Df Model:
9
Covariance Type:
nonrobust
coef
std err
t
P > |t|
[0.025
0.975]
const
404.9521
144.367
2.805
0.038
33.844
776.060
x1
−228.0573
455.275
−0.501
0.638
−1398.380
942.265
x2
−6.3722
3.646
−1.748
0.141
−15.745
3.001
x3
−0.5619
0.125
−4.513
0.006
−0.882
−0.242
x4
−268.6939
687.851
−0.391
0.712
−2036.872
1499.484
x5
6.7784
4.061
1.669
0.156
−3.661
17.218
x6
−0.0431
0.198
−0.218
0.836
−0.553
0.467
x7
0.0400
0.029
1.389
0.224
−0.034
0.114
x8
0.0009
0.001
0.648
0.545
−0.003
0.004
x9
0.0005
6.8e−05
6.825
0.001
0.000
0.001
Omnibus:
0.344
Durbin-Watson:
2.529
Prob(Omnibus):
0.842
Jarque-Bera (JB):
0.484
Skew:
0.191
Prob(JB):
0.785
Kurtosis:
2.208
Cond. No.
2.48e+08
