Practice What Does Correlation Measure? (6.2.1) - Correlation

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6 sample questions

Question 1.
Define correlation in your own words.
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Think about how two things influence each other.
Question 2.
What can a scatter diagram tell you?
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What do the points look like?
3Question 3.
What does a correlation coefficient of 0 imply?
- Strong correlation
- No correlation
- Weak correlation
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Think about what it means when two variables are completely unrelated.
4Question 4.
Is it true that correlation can imply causation?
- True
- False
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Consider examples where correlation is observed but no causation exists.
Question 5.
Given the heights of several trees and their age, calculate the correlation coefficient and interpret the relationship.
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Consider what influences tree growth over time.
Question 6.
Discuss the correlation between daily temperature changes and ice cream sales throughout summer in a hypothetical town.
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Think of examples that relate to personal experiences.

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