1.In unsupervised machine Learning we have information on the

A. dependent variable only B. none of these C. independent variables only D. both the dependent and independent variables

2.Machine Learning entails working with two samples, namely

A. learning sample and prediction sample B. learning sample and test sample C. learning sample and treatment sample D. none of these

3.In Machine Learning the label CART refers to

A. Classification and Random Treatment B. Classification and Random Trees C. Classification and Regression Treatment D. Classification and Regression Trees