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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define correlation.
💡 Hint: What term do we use to describe how two things relate?
Question 2
Easy
What does a positive correlation indicate?
💡 Hint: Think of things that increase together.
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 range of the correlation coefficient?
- 0 to 1
- -1 to 1
- -1 to infinity
💡 Hint: Consider what the extremes of a correlation imply.
Question 2
Does correlation imply causation?
- True
- False
💡 Hint: Remember the classic saying - correlation does not equal causation.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Using the values provided, calculate the correlation coefficient for height and weight of a group of individuals. Discuss what the value indicates about the height-weight relationship.
💡 Hint: Pay attention to how tightly the points on the scatter plot cluster relative to the line.
Question 2
Create a scatter diagram for the following data points: (1,2), (2,3), (3,5), (4,4), (5,6). Calculate the correlation and interpret the result.
💡 Hint: Consider drawing it by hand to see the actual relationships before calculating.
Challenge and get performance evaluation