Table 7 ANOVA result on impact strength (1S).

From: Optimization of the mechanical properties of polyester/coconut shell ash (CSA) composite for light-weight engineering applications

Source

SS

df

MS

F value

p value

% Contribution

Model

0.6876

5

0.1375

24.32

0.0006

95.30

A-particulate dosage

0.3604

1

0.3604

63.73

0.0002

49.95

B-particulate size

0.1035

1

0.1035

18.31

0.0052

14.35

AB

0.0001

1

0.0001

0.0111

0.9197

0.01

A2

0.2214

1

0.2214

39.15

0.0008

30.69

B2

0.0022

1

0.0022

0.3898

0.5554

0.31

Residual

0.0339

6

0.0057

   

Cor total

0.7215

11

    
  1. SS sum of squares, MS mean square.
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