The Gini coefficient is a measure of the extent to which income or wealth is equally distributed

Question:

The Gini coefficient is a measure of the extent to which income or wealth is equally distributed in a given population. The coefficient values range between 0 and 1. The lower the Gini coefficient, the more equally distributed wealth is in a given population. The following figure represents the distribution of wealth based on this measure (reported at en.wikipedia.org/wiki/Gini_coefficient).

(a) What type of frequency distribution table is this?
(b) Is this an effective presentation of the data? Justify your answer.

Distribution
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