Question: A proposed classification tree region has two regions. Region 1 has a population of 13 historical records and a Gini Index of 0.2. Region 2

A proposed classification tree region has two regions. Region 1 has a population of 13 historical records and a Gini Index of 0.2. Region 2 has a population of 11 historical records and a Gini Index of 0.6. What is the overall Gini index for the combination of these two regions?

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