Machine Learning Quiz

What is an Ensemble Method in ML?

• Combining multiple models to improve accuracy

• A single learning algorithm

• A method for reducing dataset size

• A technique for selecting data points

Which of the following is an example of Supervised Learning?

• Spam email detection

• Customer segmentation

• K-Means Clustering

• Random selection

What does Unsupervised Learning do?

• Learns from labeled data

• Finds hidden patterns in data

• Always requires a teacher

• Follows predefined rules

What is the main purpose of the NumPy library in Python?

• Creating websites

• Image processing

• Numerical computing

• Text editing

What does Pandas help with in Python?

• Game development

• Data analysis and manipulation

• Artificial Intelligence

• Hardware programming

Which of the following is an advantage of Random Forest?

• Uses multiple decision trees

• Only works on small datasets

• Cannot handle missing values

• Works without data

What does Feature Scaling do in ML?

• Adds new data

• Normalizes data to improve model performance

• Increases dataset size

• Removes unwanted data

Regression in Machine Learning is used for:

• Predicting continuous values

• Classifying emails

• Finding outliers

• Sorting data

Which algorithm is used for binary classification?

• Linear Regression

• Logistic Regression

• K-Means

• Hierarchical Clustering

What is a Decision Tree used for?

• Classification and Regression

• Only Classification

• Only Regression

• Image processing