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Table 4 Analysis of variance result for the parameters of Plackett–Burman design

From: Significant increase in cyanide degradation by Bacillus sp. M01 PTCC 1908 with response surface methodology optimization

Source DF Adj SS Adj MS F value P value
Model 3 10,414.0 3471.34 67.12 0.000
Linear 3 10,414.0 3471.34 67.12 0.000
Temperature 1 3266.3 3266.27 63.16 0.000
Rotation speed 1 750.7 750.67 14.52 0.005
Inoculation amount 1 6397.1 6397.08 123.69 0.000
Error 8 413.7 51.72   
Total 11 10,827.8    
  1. R2 = 96%, Adj R2 = 94.7%, Pred R2 = 91.4%. (α = 0.05)
  2. DF degree of freedom, SS sum of squares, MS mean square