Table 4 Statistical analysis of the proposed, official and the reported methods of CAR and IVA in their pure forms

Mean

99.38

98.45

99.88

SD

0.92

0.85

0.95

N

5

5

4

Variance

0.85

0.72

0.9

Student's t test*** (2.365)

0.796

2.352

F***

1.059 (9.120)

1.250 (6.590)

Mean

99.47

99.15

99.6

SD

1.41

0.87

1.06

N

5

5

5

Variance

1.99

0.76

1.12

Student^'s t test*** (2.306)

0.165

0.734

F*** (6.390)

1.777

1.474