19.ReviewBased on the graph below, the Gini coefficient is:Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer.aA/(A+B)bA/A+BcB/(A+B)dB/A+BeA/BfB/A

In a decision tree used to predict whether a stocks will have a "good" or a "bad" return, the Gini Impurity coefficient is:Group of answer choiceshigher if a node has a similar number of good and bad stocks.lower if a node has a similar number of good and bad stocks.lower if a node has many stocks.higher if a node has many stocks.

2. In a given country, there are 5 people that earn $1 per year and 5 people that earn $ 3 per year.(a) Draw the Lorenz curve for this country.(b) On the diagram indicate (using the areas) how you would calculate the Gini coefficient

How is the Gini index used in the context of a decision tree?To determine the splitting attributeTo determine the depth of the treeTo determine the leaf node valuesTo prune the tree branches

Which of the following statements are true about the Gini index (GI)? Assume a binary classification problem where all instances are labeled as positive or negative.

The Gini coefficient in a perfectly unequal society will have a Gini coefficient of _____,  while a perfectly equal society will have a Gini coefficient equal to _____.Group of answer choices0 and 1infinity and 0−1 and 11 and 00 and infinity