6 - Correlation
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Practice Questions
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What is correlation?
💡 Hint: Think about how two things relate to each other statistically.
Give an example of positive correlation.
💡 Hint: Consider what happens to ice cream sales during hot summer days.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does correlation measure?
💡 Hint: Consider how variables interact with each other.
Is it true that correlation implies causation?
💡 Hint: Think of the classic example of ice cream sales and humidity.
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Challenge Problems
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You collect data on study hours and test scores for 20 students. Analyze and calculate the correlation coefficient. Discuss the implications of your findings.
💡 Hint: Plot the data on a scatter diagram first to visualize any correlation.
You observe that during holidays, the sale of certain books correlates with an increase in online traffic to bookstores. Determine if this is causation or correlation and why.
💡 Hint: Think about external conditions affecting both sales and online visits.
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