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
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the formula for linear regression?
💡 Hint: Remember what each letter stands for.
Question 2
Easy
In the equation y = a + bx, what does 'y' represent?
💡 Hint: Think about what you are trying to predict.
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 the slope 'b' indicate in a linear regression model?
- Strength of the correlation
- Direction of the line
- Both A and B
💡 Hint: Consider what the slope tells you about the line's steepness.
Question 2
True or False: Linear regression can only be used for two variables.
- True
- False
💡 Hint: Think about how regression models can expand.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A dataset contains the following points: (1, 2), (2, 3), (3, 5), (4, 7). Calculate the slope and intercept of the best-fit line.
💡 Hint: Remember to compute means first for the dataset!
Question 2
In a study of temperature and ice cream sales, how could you set up the linear regression model? What would your independent and dependent variables be?
💡 Hint: Think about what affects what in this scenario.
Challenge and get performance evaluation