Source: Snedecor, G. W. and Cochran, W. G. (1967),"Statistical Methods", (6 Edition), Iowa State University, Ames, Iowa, p. 384. Taken From: Chatterjee and Hadi (1988), p. 82. Dimension: 18 observations on 3 variables Description: An investigation of the source from which corn plants obtain their phosphorus was carried out. Concentrations of phosphorus in parts per millions in each of 18 soils were measured. Column Description 1 Concentrations of inorganic phosphorus in the soil 2 Concentrations of organic phosphorus in the soil 3 Phosphorus content of corn grown in the soil at 20 degrees C