Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
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