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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is positive correlation?
💡 Hint: Think about increasing prices and sales.
Question 2
Easy
What does a scatter diagram do?
💡 Hint: Imagine plotting points on a graph.
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 range does the Pearson correlation coefficient fall into?
- 0 to 1
- -1 to 1
- 0 to infinity
💡 Hint: Think of extremes in both directions.
Question 2
Does correlation imply causation?
- True
- False
💡 Hint: Consider examples like summer heat and ice cream sales.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Analyze a dataset that includes hours studied versus grades received. Calculate the correlation coefficient and discuss its implications.
💡 Hint: Collect a varied dataset for comprehensive results.
Question 2
Create a visual representation of two variables that exhibit a non-linear correlation and explain the observed pattern.
💡 Hint: Consider data that grows exponentially or in another non-linear fashion.
Challenge and get performance evaluation