Variable

Mean

Std. Dev

Correlation matrix

Tolerance

VIF

Durbin-Watson

1

2

3

4

5

PEM

16.63

7.653

0.845

2.302

PP

48.11

6.789

0.718**

0.845

0.578

2.012

ICA

27.33

10.668

0.657**

0.650**

0.844

0.575

2.122

UCC

31.39

6.526

0.655**

0.344**

0.572**

0.857

0.581

2.569

SS

189.34

31.096

0.604**

0.187**

0.174**

0.356**

0.851

0.588

2.541