E20-007 Learning Practice Questions

In a supervised learning model, what is the role of the training dataset?

• AA. To provide user input
• BB. To visualize results
• CC. To build the model
• DD. To evaluate model

What is the outcome of overfitting a machine learning model?

• AA. Balanced performance
• BB. High accuracy on train
• CC. Robust results
• DD. Poor performance on test

What is the purpose of cross-validation in machine learning?

• AA. To visualize results
• BB. To speed up training
• CC. To reduce bias in model evaluation
• DD. To increase dataset size