Front

What is a correlation coefficient?

Back

A statistical measure that describes the strength and direction of a relationship between two variables.

Front

What does a positive correlation indicate?

Back

As one variable increases, the other variable also increases.

Front

What does a negative correlation indicate?

Back

As one variable increases, the other variable decreases.

Front

What does a correlation coefficient of 0 mean?

Back

It indicates no correlation between the two variables.

Front

What is the range of correlation coefficients?

Back

From -1 to +1.

Front

What does a correlation coefficient of +1 indicate?

Back

A perfect positive correlation.

Front

What does a correlation coefficient of -1 indicate?

Back

A perfect negative correlation.

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.

Front

Can correlation imply causation?

Back

No, correlation does not imply causation; other factors may influence both variables.

Front

What is an example of a positive correlation?

Back

The relationship between hours studied and test scores.