WQSTAT II: A WATER QUALITY STATISTICS PACKAGE |
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| Authors: | J. C. Loftis R. D. Phillips R. C. Ward C. H. Taylor |
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| Affiliation: | Respectively, Associate Professor, Laboratory Assistant, and Professor in the Department of Agricultural and Chemical Engineering, and Ph.D. Candidate in the Department of Statistics, Colorado State University, Fort Collins, Colorado 80523. |
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| Abstract: | Abstract. Statistical analysis of monitoring data is becoming a necessary part of many ground- and surface-water quality management activities. To meet this need a statistical software package for microcomputers called WQStat II has been designed and produced specifically for water quality applications. The software provides tools for data management, summarizing data characteristics, analyzing trends, comparing medians of two or more groups of data, and evaluating excursions or standards violations. To minimize problems associated with nonnormal data and nondetects, WQStat relies primarily on graphical and nonparametric approaches. |
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