Ecology: Wetlands Government agencies carefully monitor water quality and its effect on wetlands (Reference: Environmental Protection Agency
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Ecology: Wetlands Government agencies carefully monitor water quality and its effect on wetlands
(Reference: Environmental Protection Agency Wetland Report EPA 832-R-93-005). Of particular concern is the concentration of nitrogen in water draining from fertilized lands. Too much nitrogen can kill fish and wildlife. Twenty-eight samples of water were taken at random from a lake. The nitrogen concentration
(milligrams of nitrogen per liter of water) was determined for each sample.
(a) Identify the variable.
(b) Is the variable quantitative or qualitative?
(c) What is the implied population?
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Understandable Statistics Concepts And Methods
ISBN: 9780357719176
13th Edition
Authors: Charles Henry Brase, Corrinne Pellillo Brase
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