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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does a positive covariance indicate?
💡 Hint: Remember the direction of change in variables.
Question 2
Easy
What is the range of possible correlation values?
💡 Hint: Think about the extremes of relationships.
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 1 mean?
- Perfect positive correlation
- No correlation
- Perfect negative correlation
💡 Hint: Think about how correlation ranges from -1 to 1.
Question 2
Covariance can have which values?
- True
- False
💡 Hint: Consider what varies between the variables.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given datasets C = {10, 20, 30, 40} and D = {15, 25, 35, 50}, calculate the covariance and explain its significance.
💡 Hint: Calculate means first and use the formula for covariance.
Question 2
For the datasets E = {1, 0, 0, 1} and F = {0, 1, 1, 0}, find the covariance. Discuss how this reflects their relationship.
💡 Hint: Pay attention to how one dataset responds to the other.
Challenge and get performance evaluation