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Table B8
Bulk and Feed T-Test Results
Variable
Method
Variances
DF
t Value
Pr > |t|
AS
Pooled
Equal
10
-0.88
0.3987
AS
Satterthwaite
Unequal
10
-1.94
0.0807
CD
Pooled
Equal
10
0.19
0.8551
CD
Satterthwaite
Unequal
9.12
0.43
0.6744
CR
Pooled
Equal
10
-0.93
0.3718
CR
Satterthwaite
Unequal
9.72
-2.12
0.0608
CU
Pooled
Equal
10
-0.52
0.6171
CU
Satterthwaite
Unequal
2.34
-0.73
0.5313
PB
Pooled
Equal
10
0.22
0.8300
PB
Satterthwaite
Unequal
9.61
0.50
0.6268
HG
Pooled
Equal
10
0.86
0.4110
HG
Satterthwaite
Unequal
9.04
1.99
0.0775
NI
Pooled
Equal
10
-1.44
0.1817
NI
Satterthwaite
Unequal
10
-3.16
0.0101
SE
Pooled
Equal
10
-0.09
0.9324
SE
Satterthwaite
Unequal
9
-0.20
0.8443
AG
Pooled
Equal
10
1.41
0.1894
AG
Satterthwaite
Unequal
1.07
0.76
0.5798
ZN
Pooled
Equal
10
-0.28
0.7878
ZN
Satterthwaite
Unequal
9.83
-0.62
0.5474
BA
Pooled
Equal
10
-1.20
0.2594
BA
Satterthwaite
Unequal
9.98
-2.62
0.0257
pcb_1242
Pooled
Equal
10
2.83
0.0178
pcb_1242
Satterthwaite
Unequal
9.62
6.45
<.0001
pcb_1260
Pooled
Equal
10
-3.39
0.0069
pcb_1260
Satterthwaite
Unequal
9.67
-7.70
<.0001
toc
Pooled
Equal
10
0.13
0.9000
toc
Satterthwaite
Unequal
9.5
0.27
0.7902
OG
Pooled
Equal
10
-1.78
0.1054
OG
Satterthwaite
Unequal
9.95
-3.89
0.0031
TRPH
Pooled
Equal
10
-1.44
0.1801
TRPH
Satterthwaite
Unequal
9.72
-3.27
0.0088
Table B9
Bulk and Feed Equality of Variances Test Results
Variable
Method
Num DF
Den DF
F Value
Pr > F
AS
Folded
F
9
1
43.50
0.2343
CD
Folded
F
9
1
725.01
0.0576
CR
Folded
F
9
1
97.51
0.1569
CU
Folded
F
9
1
2.77
0.8739
PB
Folded
F
9
1
120.16
0.1414
HG
Folded
F
9
1
2044.94
0.0343
NI
Folded
F
9
1
43.37
0.2347
SE
Folded
F
9
1
71613.0
<.0001
AG
Folded
F
1
9
5.98
0.0741
ZN
Folded
F
9
1
77.04
0.1764
BA
Folded
F
9
1
39.04
0.2472
pcb_1242
Folded
F
9
1
118.42
0.1424
pcb_1260
Folded
F
9
1
107.47
0.1495
toc
Folded
F
9
1
24.66
0.3102
OG
Folded
F
9
1
36.53
0.2555
TRPH
Folded
F
9
1
97.53
0.1569
B9
Appendix B Statistical Analysis of Results
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