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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the formula for a simple linear regression?
💡 Hint: Think about the elements that make up the regression equation.
Question 2
Easy
What does R² score indicate?
💡 Hint: Consider how well the model explains variation.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the formula for simple linear regression?
💡 Hint: Recall how we expressed the relationship in the section.
Question 2
Is R² score used to assess model performance?
- True
- False
💡 Hint: Think about how we measure a model's effectiveness.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given a dataset with years of experience, education level, and salary, write a complete Python script for a multiple linear regression model. Interpret your results.
💡 Hint: Use pandas for data handling and sklearn for model fitting.
Question 2
If a scatter plot indicates a curve rather than a straight line pattern, what does that imply about linear regression assumptions? Suggest alternative methods you could use.
💡 Hint: Reflect on how non-linear relationships might need different modeling approaches.
Challenge and get performance evaluation