Middle

Low or resisters

High to low d.f. 18

High to middle d.f. 71

Middle to low d.f. 71

63

10

9.97

0.09

9.831^***

8.371^***

13.52^***

16.50

16.40

1.077

1.674

0.220

8.24

8.10

0.212

0.398

0.136

7.72

6.70

0.959

0.386

1.482

17.31

17.10

0.41

0.428

0.137

14.63

14.50

1.557

1.842

0.095

15.59

14.20

1.207

0.900

0.931

10.75

10.20

0.262

0.645

0.854

11.32

10.50

0.839

0.821

0.408

9.67

8.50

1.192

1.060

0.724

9.78

9.10

0.225

0.893

0.716

10.94

10.10

0.569

0.149

0.556

11.04

11.70

0.729

0.076

1.158

11.53

10.70

0.569

1.545

0.531

11.77

11.10

1.882

1.839

0.911

10.50

12.60

1.730

0.988

1.341

8.96

9.90

0.529

0.129

0.812

13.44

11.90

0.249

0.635

0.966

10.51

5.90

0.449

1.698

3.487^***

18.28

18.60

0.041

0.263

0.220