Correlation and Causation

Front

What does correlation mean?

Back

Correlation means two phenomena are related.

Front

Does correlation imply causation?

Back

No, correlation does not indicate the occurrence of causation.

Front

What is a positive correlation?

Back

A positive correlation means that as one variable increases, the other variable also increases.

Front

What is a negative correlation?

Back

A negative correlation means that as one variable increases, the other variable decreases.

Front

What does no correlation mean?

Back

No correlation means there is no relationship between the two variables.

Front

Example of no correlation: Test scores vs. shoe sizes. What is the correlation?

Back

No Correlation.

Front

Example of negative correlation: Number of days absent from school vs. math average. What is the correlation?

Back

Negative Correlation.

Front

Example of positive correlation: Amount of education and amount of income. What is the correlation?

Back

Positive Correlation.

Front

What is the relationship between the number of people living in a house and the years since the house was built?

Back

No association.

Front

What is the difference between correlation and causation?

Back

Correlation indicates a relationship between two variables, while causation indicates that one variable directly affects the other.