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The Chemical Analysis of Argonne Premium Coal Samples

Edited by Curtis A. Palmer
U.S. Geological Survey Bulletin 2144


Statistical parameters for the data in appendix 1.

Appendix 2. Statistical parameters for the data in appendix 1 --continued.

Ba HP Ba All La HP La All Ce HP Ce All Pr HP Pr All Nd HP Nd All
UF PC-1
n 12 21 9 15 9 13 3 3 4 6
Mean (ppm) 56 60 9 10 17 20 1.9 1.9 7.7 8
Standard Dev (ppm) 5.7 13 1.2 6.0 1.5 12 .16 .16 .68 1.6
Rel Std Dev (%) 10.2 21.1 15.4 60.5 8.6 52.4 8.08 8.08 8.87 21.3
Geometric Mean (ppm) 56 60 9 9 17 20 1.9 1.9 7.7 7
Dev of Means (%) .46 2.18 1.08 9.62 .35 10.3 .23 .23 .31 2.05
Kurtosis .162 .742 -1.64 13.1 .121 2.09 ERR ERR 3.90 .983
Skewness 1.09 .855 -.105 3.52 -1.23 1.75 -1.73 -1.73 -1.97 -.402
WY PC-2
n 9 21 6 12 8 14 3 3 3 3
Mean (ppm) 300 300 4.7 5 8 12 .93 .93 3.4 3.4
Standard Dev (ppm) 22 120 .82 2.0 1.9 8.1 .085 .085 0 0
Rel Std Dev (%) 7.17 40.0 17.6 37.3 23.7 69.9 9.08 9.08 0 0
Geometric Mean (ppm) 290 200 4.6 5 8 10 .93 .93 3.4 3.4
Dev of Means (%) .24 35.37 1.39 5.29 3.10 17.20 .28 .28 0 0
Kurtosis -.976 1.25 -1.18 4.76 .677 5.17 ERR ERR ERR ERR
Skewness .168 -1.30 -.623 2.00 -1.08 2.21 -.176 -.176 ERR ERR
IL PC-3
n 12 21 5 12 9 13 3 3 3 4
Mean (ppm) 83 90 6.0 9 11 20 1.4 1.4 4.9 5.6
Standard Dev (ppm) 8.9 23 .22 4.1 2.7 16 .17 .17 0 .81
Rel Std Dev (%) 10.8 26.1 3.50 45.1 25.6 81.6 14.1 14.1 0 14.5
Geometric Mean (ppm) 82 90 6.0 8 10 20 1.3 1.3 4.9 5.5
Dev of Means (%) .54 3.31 .05 8.97 3.46 27.17 .71 .71 0 .82
Kurtosis -1.16 -.0928 -3.33 -.829 -1.32 4.30 ERR ERR ERR 4.00
Skewness -.078 2 .519 -.604 .881 -.822 2.05 -1.73 -1.73 ERR 2.00
PITT PC-4
n 12 21 8 14 9 12 3 3 3 6
Mean (ppm) 40 40 5.1 6 10 12 1.12 1.12 4.3 4.1
Standard Dev (ppm) 4.5 12 .86 5.1 1.3 5.2 .058 .058 .52 .50
Rel Std Dev (%) 11.2 29.0 16.7 84.8 12.5 43.9 5.09 5.09 12 13.5
Geometric Mean (ppm) 40 40 5.1 5 10 11 1.12 1.12 4.3 4.1
Dev of Means (%) .55 3.49 1.18 24.5 .77 7.32 .08 .08 .51 .81
Kurtosis 1.78 1.80 -2.12 11.0 2.36 3.48 ERR ERR ERR -.127
Skewness 1.05 .888 .541 3.12 -1.32 1.84 1.73 1.73 1.73 -.956
POC PC-5
n 9 21 6 15 8 15 3 3 3 6
Mean (ppm) 200 200 6.2 5 11 11 1.31 1.31 5.0 5.5
Standard Dev (ppm) 14 130 .63 2.6 1.6 3.5 .090 .090 .29 .77
Rel Std Dev (%) 7.17 65.0 10.1 47.5 14.8 33.4 6.19 6.19 5.81 13.9
Geometric Mean (ppm) 190 100 6.2 5 11 10 1.31 1.31 5.0 5.5
Dev of Means (%) .24 35.8 .43 17.3 1.10 6.19 .13 .13 .11 .81
Kurtosis .752 1.25 -2.17 -.548 .967 1.74 ERR ERR ERR 1.86
Skewness -.139 .894 -.345 -.287 -1.45 .331 -.722 -.722 1.73 1.36
UT PC-6
n 8 14 6 12 6 12 3 6 5 6
Mean (ppm) 35 34 2.9 5 4.7 8 .55 .48 2.1 2.2
Standard Dev (ppm) 2.0 3.7 .50 3.1 .14 4.8 .023 .069 .32 .44
Rel Std Dev (%) 5.62 10.8 17.3 67.7 3.02 61.2 4.30 14.5 18.3 21.1
Geometric Mean (ppm) 35 34 2.9 4 4.7 7 .55 .48 2.1 2.2
Dev of Means (%) .14 .55 1.31 18.1 .04 13.9 .06 .90 1.41 1.96
Kurtosis -1.16 -.164 -2.95 .200 -.065 2.89 ERR -2.35 -2.05 -.620
Skewness -.752 -.0660 .390 1.38 -.846 1.79 -1.73 -.0511 -.543 -.056
WV PC-7
n 12 18 9 15 9 15 3 5 6 9
Mean (ppm) 120 140 19 17 34 40 4.1 3 14 15
Standard Dev (ppm) 17 37 2.4 3.0 3.5 11 .21 1.2 1.6 3.1
Rel Std Dev (%) 14.1 26.1 12.6 17.8 10.2 30.0 4.78 38.1 12.0 20.4
Geometric Mean (ppm) 120 130 19 17 34 40 4.1 3 13 15
Dev of Means (%) .78 2.82 .72 1.51 .48 3.74 .09 7.08 .56 1.86
Kurtosis 3.37 1.28 -.914 -.928 -.614 1.59 ERR -3.17 -1.535 -1.67
Skewness 1.85 1.52 .018 .121 -.678 1.34 -.077 -.546 .358 .355
ND PC-8
n 12 18 6 12 6 9 3 3 5 5
Mean (ppm) 500 600 2.5 4 4.3 9 .43 .43 1.8 1.8
Standard Dev (ppm) 100 210 .51 2.5 .38 7.4 .058 .058 .57 .57
Rel Std Dev (%) 20.0 35.0 21.4 63.2 9.16 82.7 14.0 14.0 30.5 30.5
Geometric Mean (ppm) 500 600 2.4 4 4.3 7 .43 .43 1.8 1.8
Dev of Means (%) 1.66 4.93 1.97 16.3 .34 32.8 .62 .62 4.9 4.9
Kurtosis -.729 .434 -3.31 1.37 -1.70 -1.41 ERR ERR 2.4 2.4
Skewness .713 1.25 .005 1.47 .482 .924 1.73 1.73 -1.2 -1.2
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