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A proposed classification tree region has a population of 2 0 historical records. For 1 5 of these records, the categorical variable has the value

A proposed classification tree region has a population of

20

historical records. For

15

of these records, the categorical variable has the value

Group

3 .

For the remaining records, the categorical variable has the value

Group

2 .

What is the Gini Index for this region?Note: Round your answer to two decimal places.

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