Table 3 Experimental outcomes of composite samples.

From: Investigation and machine learning-based prediction of mechanical properties in hybrid natural fiber composites

Samples with standard deviation and CV

Tensile strength (MPa)

Stress–strain

Flexural strength (MPa)

Impact strength (J/m2)

Hardness (Shore-D)

S-1

71.3

12.3

127.4

16.1

64.3

S-2

74

12.5

129.6

17.6

65.8

S-3

77.5

11.4

130.3

19.9

67.4

S-4

79.2

11.3

131.9

20.4

69.7

S-5

85.8

10.5

134.5

23.3

72.6

S-6

83.6

10.2

132.2

21.2

70.3

Mean

78.23

11.37

130.98

19.75

68.35

Standard deviation

5.092

0.881

2.308

2.448

2.861

Coefficient of variation (CV) (standard deviation in %)

6.51

7.75

1.76

12.4

4.19