Scientific Investigations Report 2008–5167
U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2008–5167
Table 4. Results of nonparametric tests of similarity of sediment thickness medians, variances, and distribution shapes between two geographic groups of coreholes, Idaho National Laboratory, Idaho.
[See figure 5 for geographic group locations. Abbreviations: M-W, Mann-Whitney test of similarity of medians; L, Levene’s test of similarity of variances; K-S, Kolmogorov-Smirnov test of similarity of distribution shape; p-value, probability value; vs., versus]
Composite units 2–7 from geographic hole groups |
Test | p-value | Number of measurements from samples |
|||
---|---|---|---|---|---|---|
1 | 2 | 1 | 2 | |||
M-W | 0.182 | 46 | 34 | |||
Southwest | vs. | Northeast | L | 0.219 | 46 | 34 |
K-S | 0.503 | 46 | 34 |