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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define covariance in your own words.
💡 Hint: Think about how one variable can affect another.
Question 2
Easy
What does a positive covariance indicate?
💡 Hint: Consider the directions of change for both 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 is covariance?
- A measure of strength
- A measure of variability
- A measure of central tendency
💡 Hint: Focus on the relationship aspect.
Question 2
True or False: A covariance of zero indicates a strong negative relationship.
- True
- False
💡 Hint: Think about what zero means.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given two data sets, compute covariance and then describe what it indicates about their relationship: X = {3, 5, 7, 9} and Y = {12, 15, 18, 22}.
💡 Hint: Calculate means first to understand the changes.
Question 2
You observe a dataset with positive covariance in temperature and ice cream sales. How might this information be strategically utilized by a business?
💡 Hint: Consider seasonality and marketing strategies.
Challenge and get performance evaluation