Correlation vs. Causation: A Grade 10 Quiz on Relationships

A study shows that as the number of hours students study increases, their test scores also increase. What type of correlation is this?

• No correlation

• Positive correlation

• Negative correlation

• Inverse correlation

In a survey, it was found that people who exercise more tend to report higher happiness levels. Does this imply that exercising causes happiness? Why or why not?

• People who are happy tend to exercise more.

• Exercising always leads to increased happiness.

• There is a direct link between exercise frequency and happiness levels.

• No, exercising does not necessarily cause happiness.

A researcher finds that as the temperature rises, ice cream sales also increase. What correlation is represented here?

• Inverse correlation

• Positive correlation

• Negative correlation

• No correlation

A school notices that students who attend more tutoring sessions tend to have higher grades. Is this a positive correlation, and can we say tutoring causes better grades?

• No, there is no correlation between tutoring and grades.

• Yes, it is a positive correlation and tutoring definitely causes better grades.

• No, it is a negative correlation and tutoring causes better grades.

• Yes, it is a positive correlation, but we cannot say tutoring causes better grades.

A graph shows that as the number of cars on the road increases, the average speed of traffic decreases. What type of correlation is this?

• Causal relationship

• Negative correlation

• No correlation

• Positive correlation

In a city, it was observed that as the number of parks increases, the crime rate decreases. Can we conclude that more parks lead to less crime? Explain your reasoning.

• Parks have no impact on crime rates.

• No, we cannot conclude that more parks lead to less crime.

• More parks directly reduce crime rates.

• Increasing parks is the only solution to crime.

A correlation study shows that students who play video games for more hours tend to have lower grades. What type of correlation is this, and what does it imply?

• No correlation

• Positive correlation

• Negative correlation

• Causal relationship

A scientist finds a strong positive correlation between the amount of rainfall and the growth of plants. Does this mean that more rain directly causes plants to grow better? Why or why not?

• No, correlation does not imply causation.

• Plants can only grow in wet conditions.

• More rain always leads to better plant growth.

• Rain is the only factor affecting plant growth.

A data analysis reveals that as the number of social media followers increases, the amount of time spent on social media also increases. What type of correlation is this?

• Inverse correlation

• Positive correlation

• No correlation

• Negative correlation

A report indicates that in areas with more fast-food restaurants, obesity rates are higher. Can we say that fast food causes obesity based on this correlation? Discuss.

• Eating fast food guarantees weight gain.

• People who eat fast food are always obese.

• Fast food is the only factor contributing to obesity.

• No, we cannot say that fast food causes obesity based on this correlation.