Scientific Investigations Report 2008–5167
U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2008–5167
Table 6. Results of nonparametric tests of similarity of median sediment thicknesses between various composite unit groups within composite units 2–7, Idaho National Laboratory, Idaho.
[Abbreviations: K-W, Kruskal-Wallis test for similarity of multiple medians; M-W, Mann-Whitney test of similarity of two medians; p-value, probability value; vs., versus]
| Groupings of composite units | Test | p-value | Number of measurements from samples | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 1 | 2 | 3 | ||||
| 2–3 | vs. | 4–5 | vs. | 6–7 | K-W | 0.001 | 24 | 31 | 25 |
| 2–3 | vs. | 4–5 | M-W | 0.003 | 24 | 31 | |||
| 4–5 | vs. | 6–7 | M-W | 0.891 | 31 | 25 | |||
| 2–3 | vs. | 6–7 | M-W | 0.004 | 24 | 25 | |||
| 2–4 | vs. | 5–7 | M-W | 0.166 | 47 | 33 | |||
| 2–5 | vs. | 6–7 | M-W | 0.174 | 55 | 25 | |||
U.S. Department of the Interior | U.S. Geological Survey
URL: http://pubs.usgs.gov/sir/2008/5167
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