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Chemical composition of rain water. The Journal of Agricultural, Biological, and Environmental Statistics (March 2005) presented a study of the chemical composition of rain water.

The nitrate concentration, y (milligrams per liter), in a rain water sample was modeled as a function of two independent variables:

water source (groundwater, subsurface flow, or overground flow) and silica concentration (milligrams per liter). Identify the type (quantitative or qualitative) for each independent variable.

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M92225188

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