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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is correlation?
💡 Hint: Think about how two things relate to each other statistically.
Question 2
Easy
Give an example of positive correlation.
💡 Hint: Consider what happens to ice cream sales during hot summer days.
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 does correlation measure?
- Relationship between variables
- Mean of data
- Standard deviation
- Median
💡 Hint: Consider how variables interact with each other.
Question 2
Is it true that correlation implies causation?
- True
- False
💡 Hint: Think of the classic example of ice cream sales and humidity.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
You collect data on study hours and test scores for 20 students. Analyze and calculate the correlation coefficient. Discuss the implications of your findings.
💡 Hint: Plot the data on a scatter diagram first to visualize any correlation.
Question 2
You observe that during holidays, the sale of certain books correlates with an increase in online traffic to bookstores. Determine if this is causation or correlation and why.
💡 Hint: Think about external conditions affecting both sales and online visits.
Challenge and get performance evaluation