A Lorenz Curve is used mostly in economics and is used to display the inequality of wealth. The curve s a function of the cumulative proportion of ordered individuals mapped onto the corresponding cumulative proportion of their size. The points on the graph always start at (0,0), and end at (1,1).
This Lorenz curve illustrates the degree of inequality in the distribution of income.http://www.unc.edu/depts/econ/byrns_web/Economicae/Figures/Lorenz.htm
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