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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 can change together.
Question 2
Easy
Name the three types of correlation.
💡 Hint: Consider the direction of change of the variables.
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 correlation coefficient of 0 represent?
- Strong positive correlation
- Strong negative correlation
- No correlation
💡 Hint: Consider what zero implies in relationships.
Question 2
True or False: A positive correlation means that as one variable increases, the other variable must also increase.
- True
- False
💡 Hint: Think about the definition of positive correlation.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
You collected data on the hours spent studying and the scores achieved in an exam. The correlation coefficient turns out to be 0.95. How would you describe the strength and type of correlation?
💡 Hint: Consider the closeness to 1.
Question 2
In a research study, it's found that increased temperature correlates with decreased sales of hot cocoa. If you were to summarize this finding, how would you express it in terms of correlation type?
💡 Hint: Think about how the two variables affect each other.
Challenge and get performance evaluation