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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does a correlation coefficient of +1 indicate?
💡 Hint: Think about similar movements in two variables.
Question 2
Easy
What is Spearman's rank correlation used for?
💡 Hint: Focus on when standard measurements are not possible.
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 negative correlation coefficient imply?
- Variables have no relationship
- As one increases
- the other decreases
- Both variables increase together
💡 Hint: Think about opposite movements.
Question 2
Is Spearman's rank correlation impacted by outliers?
- True
- False
💡 Hint: Consider how rankings handle extreme values.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Calculate Spearman’s rank correlation coefficient for the following pairs: (30, 1), (40, 3), (50, 2).
💡 Hint: Rank each variable from lowest to highest.
Question 2
Given data of students' grades: A (95, 85, 90) and B (80, 85, 75). Calculate their Spearman's rank correlation.
💡 Hint: How will tied ranks be handled?
Challenge and get performance evaluation