Statistical Stationarity of Sediment Interbed Thicknesses in a Basalt Aquifer, Idaho National Laboratory, Eastern Snake River Plain, Idaho

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	Test	p-value	1	2
			M-W	0.182	46	34
Southwest	vs.	Northeast	L	0.219	46	34
			K-S	0.503	46	34

Back to Table of Contents

Accessibility FOIA Privacy Policies and Notices

U.S. Department of the Interior | U.S. Geological Survey
URL: http://pubs.usgs.gov/sir/2008/5167
Page Contact Information: Publications Team
Page Last Modified: Thursday, 10-Jan-2013 18:56:06 EST