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- W3021768502 abstract "In Chapter 5, we discuss a variety of basic statistical analysis techniques and demonstrate their use in environmental forensics. In some cases, these simpler analyses may be sufficient for demonstrating a point or determining the statistical significance of a conclusion. For example, whether or not a facility has adversely affected the surrounding environment may be assessed by comparing concentrations detected on site with background levels. Example techniques for comparing two populations include Student’s t-test, the paired t-test, and Wilcoxon’s Rank Sum test. Statistical analysis can also be used to evaluate spatial and temporal patterns of contamination in the environment. Correlation coefficients provide a simple measure of the linear association between two variables. If multiple contaminants are present, construction of a correlation matrix can be a useful tool for exploratory data analysis. Finally, as theories about a case evolve and models are developed, it may be possible to test the significance or validity of a model using site-specific data." @default.
- W3021768502 created "2020-05-13" @default.
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- W3021768502 date "2015-01-01" @default.
- W3021768502 modified "2023-09-25" @default.
- W3021768502 title "Statistical Methods" @default.
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- W3021768502 doi "https://doi.org/10.1016/b978-0-12-404696-2.00005-9" @default.
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