N˚ Exp.

1

2

3

Average

Standard deviation

Coefficient of variation

Predicted value

Specifc gravity (Y₁)

0.884

0.883

0.884

0.884

0.001

0.11

0.883

Kinematic viscosity (cSt) (Y₂)

6.53

6.39

6.61

6.51

0.1

1.69

6.76