Data Analysis, Remote Sensing and Geo-informatics · Descriptive statistics · 1 mark · Multiple choice
In the Lorenz diagram shown, A is the area between the equality line and the income curve; B is the area beneath the income curve. Which expression is the Gini coefficient?
The Gini coefficient normalises the inequality area by the full area below the equality line. That full area is A+B, so G=A/(A+B), option A. It is zero when the curve coincides with equality and tends towards one as the inequality area fills the triangle.
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