# GINI

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posted:
9/2/2009
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Document Sample

```							gini
0.38625
RANGE: 0 (PERFECT EQUALITY; 1 PERFECT INEQUALITY)

n                                 20

Person "i" Income        calculated calculated         calculated
"i"       X(i)          x(i) CULULATIVE X(i)        x(i)*i
1     1,000         0.003            0.003          0.00
2     3,000         0.009            0.013          0.02
3     4,000         0.013            0.025          0.04
4     5,000         0.016            0.041          0.06
5     6,000         0.019            0.059          0.09                                       GINI COEFFICENT
6     8,000         0.025            0.084          0.15                                        CULULATIVE X
7     8,000         0.025            0.109          0.18
8     9,000         0.028            0.138          0.23                   1.000
9    11,000         0.034            0.172          0.31
0.900          LINE OF EQUALITY
10     12,000         0.038            0.209          0.38
11     14,000         0.044            0.253          0.48                   0.800
12     17,000         0.053            0.306          0.64
13     19,000         0.059            0.366          0.77                   0.700
14     21,000         0.066            0.431          0.92                   0.600
15     23,000         0.072            0.503          1.08
0.500
16     27,000         0.084            0.588          1.35
17     29,000         0.091            0.678          1.54                   0.400
18     32,000         0.100            0.778          1.80
0.300
19     33,000         0.103            0.881          1.96
20     38,000         0.119            1.000          2.38                   0.200
SUM             320000              1                        14.36                    0.100
mean                            0.05
Insert income amounts for each of the 20 people           0.000
here -- be sure to arrange from LOW to HIGH                       0       5
Do NOT enter data in any of the other columns --
those are calculated.
Try entering both a fairly equal income distribution --
and then try a broadly unequal one.                        see how the curve deviates from the lin
equality as the gini coefficient increase
GINI COEFFICENT
CULULATIVE X

LINE OF EQUALITY

10         15         20

ow the curve deviates from the line of
ty as the gini coefficient increases.

```
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