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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What type of correlation exists between height and weight?
💡 Hint: Think about how height typically relates to weight.
Question 2
Easy
What does a scatter diagram visually depict?
💡 Hint: Consider what two variables you would choose.
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 a scatter diagram display?
- Timing of events
- Relationship between two variables
- Weather changes
💡 Hint: Think about what purpose a graph serves in showing data.
Question 2
True or False: A correlation coefficient can be greater than 1.
- True
- False
💡 Hint: Recall the definitions of the limits of the correlation coefficient.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Analyze a dataset that includes the daily temperature and ice-cream sales over a month. How would you determine the correlation? What questions would you ask about the relationship?
💡 Hint: Look for trends and think about what influences both factors.
Question 2
Collect data on the height and weight of a group of people. Calculate the correlation coefficient. What does this value indicate about body proportions in your group?
💡 Hint: Prepare to interpret the correlation value based on your findings.
Challenge and get performance evaluation