Question 9 One of the well-known algorithms that are used to build decision trees is called: CHAID 05.0 CART All of the above Question 10 Decision tree algorithms employ a decisions. strategy, meaning that they grow the tree by making locally optimal O Greedy Mutually exclusive Irreversible Randomized Question 11 A decision tree algorithm that intends to build a classification model works by: Partitioning the test set using split conditions on observations Partitioning the training set using split conditions on attribute values Partitioning the training set using split conditions on observations Partitioning the test set using split conditions on attribute values Question 12 Which of the following is one of the common purity functions used for building decision trees? Information gain Gain ratio Gini index All of the above