The Chemical Analysis of Argonne Premium Coal Samples
Edited by Curtis A. Palmer
U.S. Geological Survey Bulletin 2144
Appendix 2. Statistical parameters for the data in appendix 1 --continued.
Ag HP | Ag All | Cd HP | Cd All | Sn HP | Sn All | Sb HP | Sb All | Cs HP | |
UF PC-1 | |||||||||
n | 3 | 6 | 6 | 6 | 3 | 6 | 6 | 6 | 6 |
Mean (ppm) | .5 | .3 | .12 | .12 | .95 | 1.3 | .51 | .51 | 1.7 |
Standard Dev (ppm) | .14 | .17 | .057 | .057 | 0 | .39 | .034 | .034 | .20 |
Rel Std Dev (%) | 29.8 | 50.2 | 49.7 | 49.7 | 0 | 30.5 | 6.64 | 6.64 | 12.0 |
Geometric Mean (ppm) | .5 | .3 | .11 | .11 | .95 | 1.3 | .51 | .51 | 1.7 |
Dev of Means (%) | 2.79 | 10.22 | 9.95 | 9.95 | 0 | 4.09 | .19 | .19 | .61 |
Kurtosis | ERR | .687 | .664 | .664 | ERR | -3.10 | .364 | .364 | -3.16 |
Skewness | 1.57 | 1.11 | 1.11 | 1.11 | ERR | .071 | -.156 | -.156 | -.063 |
WY PC-2 | |||||||||
n | 3 | 6 | 6 | 6 | 3 | 6 | 6 | 6 | 6 |
Mean (ppm) | .24 | .2 | .11 | .11 | .323 | .6 | .18 | .18 | .195 |
Standard Dev (ppm) | .085 | .11 | .020 | .020 | 0 | .36 | .021 | .021 | .010 |
Rel Std Dev (%) | 36.2 | 70.6 | 18.5 | 18.5 | 0 | 58.9 | 11.6 | 11.6 | 4.86 |
Geometric Mean (ppm) | .23 | .1 | .11 | .11 | .323 | .5 | .18 | .18 | .195 |
Dev of Means (%) | 4.20 | 23.26 | 1.27 | 1.27 | 0 | 13.95 | .58 | .00579 | .10 |
Kurtosis | ERR | .353 | 3.70 | 3.70 | ERR | .201 | -1.62 | -1.62 | -1.22 |
Skewness | 1.43 | 1.03 | 1.91 | 1.91 | ERR | 1.17 | -.397 | -.397 | .198 |
IL PC-3 | |||||||||
n | 3 | 6 | 6 | 6 | 3 | 6 | 6 | 6 | 6 |
Mean (ppm) | .6 | .5 | .7 | .7 | .71 | 2 | .84 | .84 | 1.1 |
Standard Dev (ppm) | .18 | .18 | .14 | .14 | .094 | 1.1 | .062 | .062 | .29 |
Rel Std Dev (%) | 28.9 | 36.5 | 19.4 | 19.4 | 13.3 | 67.7 | 7.45 | 7.45 | 25.3 |
Geometric Mean (ppm) | .6 | .5 | .7 | .7 | .70 | 1 | .83 | .83 | 1.1 |
Dev of Means (%) | 2.96 | 5.19 | 1.45 | 1.45 | .06 | 22.21 | .24 | .24 | 2.82 |
Kurtosis | ERR | .333 | 1.66 | 1.66 | ERR | -.966 | 1.49 | 1.49 | -3.17 |
Skewness | 1.39x10-15 | 1.14 | 1.36 | 1.36 | 1.73 | .809 | -.882 | -.882 | .019 |
PITT PC-4 | |||||||||
n | 3 | 6 | 6 | 6 | 3 | 6 | 6 | 6 | 6 |
Mean (ppm) | .3 | .2 | .08 | .08 | .552 | .9 | .22 | .22 | .75 |
Standard Dev (ppm) | .13 | .14 | .028 | .028 | .0053 | .46 | .022 | .022 | .061 |
Rel Std Dev (%) | 42.1 | 73.3 | 34.3 | 34.3 | .93 | 50.6 | 10.0 | 10.0 | 8.16 |
Geometric Mean (ppm) | .3 | .2 | .08 | .08 | .573 | .8 | .22 | .22 | .75 |
Dev of Means (%) | 6.43 | 23.82 | 4.83 | 4.83 | 0 | 10.7 | .43 | .43 | .28 |
Kurtosis | ERR | .213 | -.779 | -.779 | ERR | .120 | -.890 | -.890 | -2.24 |
Skewness | .423 | 1.14 | .738 | .738 | 1.73 | .954 | -.340 | -.340 | -.432 |
POC PC-5 | |||||||||
n | 3 | 6 | 5 | 6 | 3 | 6 | 6 | 6 | 6 |
Mean (ppm) | .23 | .16 | .08 | .07 | .371 | 40 | .4 | .4 | .24 |
Standard Dev (ppm) | .093 | .090 | .014 | .02 | 0 | 57 | .14 | .14 | .024 |
Rel Std Dev (%) | 40.6 | 55.6 | 19.0 | 30.9 | 0 | 159 | 33.8 | 33.8 | 9.91 |
Geometric Mean (ppm) | .22 | .15 | .074 | .07 | .371 | 5 | .4 | .4 | .24 |
Dev of Means (%) | 6.04 | 12.2 | 1.61 | 5.12 | 0 | 700 | 4.81 | 4.81 | .40 |
Kurtosis | ERR | .760 | 1.119 | -.088 | ERR | 4.29 | -1.69 | -1.69 | .192 |
Skewness | .242 | 1.33 | -.968 | -.920 | ERR | 2.02 | .508 | .508 | .876 |
UT PC-6 | |||||||||
n | 3 | 6 | 5 | 5 | 3 | 6 | 6 | 6 | 6 |
Mean (ppm) | .15 | .3 | .07 | .07 | .17 | .3 | .10 | .10 | .14 |
Standard Dev (ppm) | .050 | .18 | .012 | .012 | .03 | .12 | .012 | .012 | .012 |
Rel Std Dev (%) | 32.8 | 58.7 | 17.5 | 17.5 | 15.8 | 45.8 | 12.3 | 12.3 | 8.68 |
Geometric Mean (ppm) | .15 | .3 | .07 | .07 | .17 | .2 | .10 | .10 | .14 |
Dev of Means (%) | 4.21 | 19.1 | 1.19 | 1.19 | .89 | 9.21 | .60 | .60 | .32 |
Kurtosis | ERR | -2.11 | -1.52 | -1.52 | ERR | -1.99 | .00139 | .00139 | -1.55 |
Skewness | -1.18 | .155 | .824 | .824 | -1.73 | .471 | .967 | .967 | -.706 |
WV PC-7 | |||||||||
n | 3 | 6 | 6 | 6 | 3 | 6 | 6 | 6 | 6 |
Mean (ppm) | 1.2 | .8 | .07 | .07 | 1.75 | 1.8 | .54 | .54 | 2.1 |
Standard Dev (ppm) | .53 | .55 | .016 | .016 | 0 | .18 | .041 | .041 | .27 |
Rel Std Dev (%) | 43.2 | 64.6 | 24.9 | 24.9 | 0 | 10.1 | 7.65 | 7.65 | 12.9 |
Geometric Mean (ppm) | 1.2 | .7 | .07 | .07 | 1.75 | 1.8 | .54 | .54 | 2.1 |
Dev of Means (%) | 7.17 | 16.9 | 3.23 | 3.23 | 0 | .41 | .23 | .23 | .63 |
Kurtosis | ERR | .243 | .971 | -.971 | ERR | .666 | 3.66 | 3.66 | -3.30 |
Skewness | -.031 | 1.21 | -1.23 | -1.23 | ERR | .961 | 1.75 | 1.75 | -.011 |
ND PC-8 | |||||||||
n | 3 | 3 | 6 | 6 | 3 | 4 | 5 | 6 | 6 |
Mean (ppm) | .15 | .15 | .043 | .043 | .4 | .6 | .15 | .15 | .09 |
Standard Dev (ppm) | .062 | .062 | .0072 | .0072 | .16 | .45 | .010 | .020 | .012 |
Rel Std Dev (%) | -39.7 | 39.7 | 18 | 18 | 43.3 | 76.2 | 6.80 | 12.7 | 13.0 |
Geometric Mean (ppm) | .15 | .15 | .041 | .041 | .4 | .5 | .15 | .15 | .09 |
Dev of Means (%) | 5.76 | 5.76 | 1.58 | 1.58 | 5.84 | 21.9 | .19 | .64 | .77 |
Kurtosis | ERR | ERR | 1.52 | 1.52 | ERR | 1.96 | -.906 | 2.45 | 1.86 |
Skewness | .219 | .219 | -1.45 | -1.45 | 1.73 | 1.53 | -.516 | 1.33 | -1.34 |
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