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.
| Na HP | Na All | K HP | K All | Ti HP | Ti All | P HP | P All | Mn HP | Mn All | |
| UF PC-1 | ||||||||||
| n | 9 | 14 | 11 | 14 | 8 | 14 | 6 | 8 | 6 | 12 |
| Mean (wt. %) | .033 | .035 | .28 | .28 | .078 | .08 | .007 | .007 | .0043 | .0048 |
| Standard Dev (wt. %) | .0010 | .0055 | .013 | .015 | .0032 | .017 | .0011 | .0012 | .00014 | .00067 |
| Rel Std Dev (%) | 3.08 | 15.6 | 4.53 | 5.20 | 4.08 | 21.8 | 16.3 | 18.1 | 3.24 | 13.9 |
| Geometric Mean (wt. %) | .033 | .035 | .28 | .28 | .077 | .08 | .007 | .006 | .0042 | .0048 |
| Dev of Means (%) | .04 | 1.03 | .09 | .13 | .07 | 2.62 | 1.12 | 1.42 | .04 | .87 |
| Kurtosis | -1.74 | .810 | -.111 | -.276 | .293 | .893 | -3.03 | -1.60 | -2.30 | -1.42 |
| Skewness | -.733 | 1.41 | -.038 | .169 | -.614 | -.547 | .115 | .409 | -7.44x10-16 | .471 |
| WY PC-2 | ||||||||||
| n | 11 | 14 | 9 | 14 | 8 | 14 | 6 | 14 | 6 | 12 |
| Mean (wt. %) | .11 | .12 | .030 | .031 | .053 | .047 | .024 | .026 | .0020 | .0022 |
| Standard Dev (wt. %) | .012 | .016 | .0044 | .0039 | .0033 | .0081 | .0023 | .0043 | 7.52x10-5 | .00084 |
| Rel Std Dev (%) | 10.2 | 13.9 | 14.6 | 12.8 | 6.27 | 17.2 | 9.72 | 16.6 | 3.80 | 39.0 |
| Geometric Mean (wt. %) | .11 | .12 | .030 | .030 | .053 | .047 | .024 | .026 | .0020 | .0020 |
| Dev of Means (%) | .55 | .75 | .89 | .73 | .17 | 1.55 | .41 | 1.32 | .06 | 6.54 |
| Kurtosis | 4.60 | 4.02 | -.489 | -.598 | -1.75 | -.132 | -2.00 | -1.23 | -.104 | 2.40 |
| Skewness | -2.19 | -1.45 | 1.05 | .753 | -.420 | -.815 | -.568 | .0122 | .313 | 1.34 |
| IL PC-3 | ||||||||||
| n | 10 | 14 | 11 | 14 | 6 | 14 | 3 | 8 | 6 | 12 |
| Mean (wt. %) | .10 | .11 | .20 | .22 | .070 | .07 | .0059 | .005 | .0081 | .011 |
| Standard Dev (wt. %) | .010 | .022 | .013 | .028 | .0028 | .012 | .00012 | .0012 | .00065 | .0033 |
| Rel Std Dev (%) | 9.67 | 19.6 | 6.20 | 12.9 | 4.04 | 16.9 | 1.95 | 25.1 | 8.03 | 30.9 |
| Geometric Mean (wt. %) | .10 | .11 | .20 | .21 | .069 | .07 | .0059 | .004 | .0081 | .010 |
| Dev of Means (%) | .39 | 1.64 | .17 | .71 | .07 | 1.28 | .01 | 2.83 | .26 | 4.07 |
| Kurtosis | 4.46 | .00612 | .170 | 1.00 | 4.51 | 1.23 | ERR | -1.67 | -.3 | -.453 |
| Skewness | 1.92 | 1.14 | .811 | 1.30 | -1.99 | .807 | -1.73 | .278 | .857 | .949 |
| PITT PC-4 | ||||||||||
| n | 9 | 14 | 11 | 14 | 8 | 14 | 6 | 11 | 6 | 12 |
| Mean (wt. %) | .033 | .034 | .111 | .115 | .055 | .06 | .010 | .009 | .0019 | .0024 |
| Standard Dev (wt. %) | .0013 | .0028 | .0025 | .0091 | .0040 | .016 | .0020 | .0014 | .00019 | .00082 |
| Rel Std Dev (%) | 3.79 | 8.33 | 2.21 | 7.90 | 7.35 | 25.0 | 20.8 | 15.3 | 9.99 | 34.8 |
| Geometric Mean (wt. %) | .033 | .034 | .111 | .115 | .055 | .06 | .009 | .009 | .0019 | .0022 |
| Dev of Means (%) | .06 | .31 | .02 | .27 | .24 | 2.53 | 2.16 | 1.24 | .42 | 5.02 |
| Kurtosis | -1.02 | .366 | -1.14 | 3.67 | -1.51 | .671 | 1.30 | 2.61 | -2.69 | -.156 |
| Skewness | -.760 | .845 | .865 | 2.00 | -.177 | .145 | -1.28 | -1.24 | -2.3x10-15 | 1.10 |
| POC PC-5 | ||||||||||
| n | 11 | 14 | 9 | 14 | 8 | 14 | 5 | 8 | 6 | 12 |
| Mean (wt. %) | .079 | .09 | .031 | .031 | .039 | .05 | .00222 | .0021 | .0017 | .0019 |
| Standard Dev (wt. %) | .0047 | .022 | .0039 | .0039 | .0022 | .0202 | 8.4x10-5 | .00013 | .00013 | .00038 |
| Rel Std Dev (%) | 5.92 | 24.4 | 12.9 | 12.5 | 5.65 | 44.1 | 3.77 | 6.09 | 7.74 | 19.3 |
| Geometric Mean (wt. %) | .079 | .09 | .030 | .031 | .039 | .04 | .00220 | .0021 | .0017 | .00191 |
| Dev of Means (%) | .17 | 2.40 | .72 | .72 | .13 | 7.84 | .06 | .16 | .25 | 1.64 |
| Kurtosis | 1.04 | .317 | -1.30 | -.789 | 4.49 | .287 | -.612 | -1.92 | -2.25 | -1.24 |
| Skewness | -1.34 | 1.41 | .592 | .438 | 2.03 | 1.33 | -.512 | .105 | .326 | .711 |
| UT PC-6 | ||||||||||
| n | 9 | 12 | 5 | 10 | 5 | 9 | 2 | 7 | 5 | 8 |
| Mean (wt. %) | .135 | .12 | .025 | .021 | .023 | .021 | .00095 | .0008 | .000416 | .00049 |
| Standard Dev (wt. %) | .0089 | .030 | .0043 | .0056 | 0 | .0022 | 3.5x10-5 | .00014 | 8.94x10-6 | .000127 |
| Rel Std Dev (%) | 6.64 | 25.3 | 17.0 | 26.1 | 0 | 10.5 | 3.74 | 16.9 | 2.15 | 26.0 |
| Geometric Mean (wt. %) | .134 | .11 | .025 | .021 | .023 | .021 | .00095 | .0008 | .000416 | .00048 |
| Dev of Means (%) | .19 | 3.82 | 1.34 | 3.29 | 0 | .51 | .04 | 1.32 | .02 | 2.57 |
| Kurtosis | -1.33 | .0315 | 3.15 | -1.59 | ERR | -1.61 | ERR | -.436 | .312 | 1.05 |
| Skewness | .640 | -1.19 | -1.68 | -.0162 | ERR | -.621 | ERR | -.465 | 1.26 | 1.56 |
| WV PC-7 | ||||||||||
| n | 8 | 13 | 10 | 13 | 7 | 10 | 3 | 8 | 6 | 9 |
| Mean (wt. %) | .0348 | .037 | .49 | .46 | .25 | .22 | .0083 | .0091 | .00147 | .0016 |
| Standard Dev (wt. %) | .00085 | .00499 | .022 | .064 | .015 | .036 | .00081 | .0032 | 8.16x10-5 | .00030 |
| Rel Std Dev (%) | 2.45 | 13.4 | 4.50 | 13.9 | 6.27 | 15.8 | 9.77 | 35.5 | 5.57 | 18.5 |
| Geometric Mean (wt. %) | .0348 | .037 | .49 | .46 | .25 | .22 | .0083 | .0088 | .0015 | .0016 |
| Dev of Means (%) | .03 | .73 | .09 | 1.01 | .17 | 1.22 | .33 | 4.08 | .13 | 1.38 |
| Kurtosis | 2.95 | 3.58 | .0548 | .345 | -1.10 | -1.37 | ERR | 7.15 | -.3 | 1.69 |
| Skewness | -1.07 | 2.10 | -.0434 | -1.24 | -.473 | -.623 | -1.62 | 2.63 | .857 | 1.43 |
| ND PC-8 | ||||||||||
| n | 10 | 11 | 5 | 12 | 6 | 10 | 6 | 14 | 6 | 10 |
| Mean (wt. %) | .50 | .47 | .034 | .03 | .0192 | .019 | .012 | .014 | .0081 | .009 |
| Standard Dev (wt. %) | .027 | .079 | .0063 | .010 | .00083 | .0012 | 0 | .0044 | .00016 | .0011 |
| Rel Std Dev (%) | 5.40 | 16.6 | 18.6 | 34.5 | 4.35 | 6.20 | 0 | 32.7 | 1.97 | 12.3 |
| Geometric Mean (wt. %) | .50 | .47 | .034 | .03 | .0192 | .019 | .012 | .013 | .0081 | .009 |
| Dev of Means (%) | .13 | 1.75 | 1.31 | 7.32 | .08 | .18 | 0 | 4.96 | .02 | .67 |
| Kurtosis | -.720 | 8.14 | 1.05 | .646 | -2.27 | -1.05 | ERR | -.961 | -1.31 | -.948 |
| Skewness | .305 | -2.69 | 1.19 | -.597 | -.297 | -.559 | ERR | .625 | .0405 | .497 |
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