Item

Aromatic hydrocarbon

Ketones

Alkene

Linear hydrocarbon

Cycloalkanes

Alcohols

Oxylene

Styrene

2-hexanone

camphene

2,3- dimethylbutane

2,2,4- Trimethylpentane

Cyclohexane

Isopropanol

Correlation positive and negative

+

−

+

+

+

−

+

+

Correlation significance

*

**

*

*

*

*

*

*

Correlation coefficient value

0.863

−0.940

0.848

0.878

0.881

−0.822

0.851

0.893