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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is positive correlation?
💡 Hint: Think about two things that improve together.
Question 2
Easy
Give one example of positive correlation from daily life.
💡 Hint: Consider health-related activities.
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 happens in positive correlation?
- One variable decreases
- Both variables increase
- One variable remains constant
💡 Hint: Remember the definition of positive correlation.
Question 2
True or False: A correlation coefficient of -0.5 indicates a strong positive correlation.
- True
- False
💡 Hint: Check the correlation coefficient range.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Analyze the correlation between hours of study and exam scores based on a dataset. If the correlation coefficient is +0.85, what does this imply?
💡 Hint: Remember the strength indicators of the correlation coefficient.
Question 2
Given a case study where company revenue increases with marketing spend, calculate the correlation coefficient if the data shows a perfect relationship.
💡 Hint: Think about what a perfect relationship would look like.
Challenge and get performance evaluation