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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