Practice - Using raw data formulas
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Practice Questions
Test your understanding with targeted questions
What is the correlation coefficient?
💡 Hint: Think about how two variables can relate.
Define raw data.
💡 Hint: Consider what happens to data after it is analyzed.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does a correlation coefficient of 0 indicate?
💡 Hint: Think about the meaning of a flat line.
True or False: A correlation of -1 indicates a strong positive relationship.
💡 Hint: Consider what -1 means in a graph.
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Challenge Problems
Push your limits with advanced challenges
Given the data points: (3,4), (1,5), (2,2), calculate the correlation coefficient and interpret the result.
💡 Hint: Follow the formula step by step for accuracy.
When analyzing a dataset with significant outliers, what precautions should you take when using correlation coefficients?
💡 Hint: Think about data integrity.
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Reference links
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