In Reviewing the Split of Data, Maggie Notes Among the 15

Multiple Choice

In reviewing the split of data, Maggie notes among the 15 cases, 2 belong to Class 1 and the remaining to Class 0. What is the Gini index for the cases and is it pure or impure?

A) 0.00 default because it is under 0.5 and pure.
B) 0.23 is closer to 0 implying relative purity.
C) 0.27 is at the halfway point is not considered pure.
D) 0.77 is over the 0.5 level and is impure.