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. 2020 Jan 10;10(3):1685–1696. doi: 10.1039/c9ra09325g

ANOVA of RSM outcomea.

Source Sum of squares df Mean square F-Value p-Value
Model 4560 16 285 8.7 0.0002 Significant
A – S/L ratio 754 1 754 23.2 0.0003
B – ultrasound power 414 1 415 12.8 0.0034
C – lemon juice 399 1 399 12.3 0.0039
D – H2O2 1258 1 1258 38.7 <0.0001
AB 41.1 1 41.1 1.3 0.2806
AD 19.6 1 19.6 0.6 0.4505
BD 9.8 1 9.8 0.3 0.5919
A 2 585 1 585 18.0 0.0010
B 2 51.3 1 51.3 1.6 0.2309
C 2 346.0 1 346 10.6 0.0061
ABC 61.0 1 61.0 1.9 0.1936
ACD 16.3 1 16.3 0.5 0.4913
BCD 34.9 1 34.9 1.1 0.3184
A 2 D 678 1 678 20.9 0.0005
AB 2 173 1 173 5.3 0.0379
B 2 C 563 1 563 17.3 0.0011
Residual 422 13 32.5
Lack of fit 392 9 43.5 5.7 0.0537 Not significant
a

R 2 = 0.91; adj. R2 = 0.81; C.V. (%) = 12.5; adeq. precision = 15.4.