Correlation Coefficient

Front

What is the correlation coefficient?

Back

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

Front

What does a correlation coefficient of -1 indicate?

Back

A perfect negative linear relationship between two variables.

Front

What does a correlation coefficient of 1 indicate?

Back

A perfect positive linear relationship between two variables.

Front

What does a correlation coefficient of 0 indicate?

Back

No linear relationship between the two variables.

Front

What is considered a strong positive correlation?

Back

A correlation coefficient close to 1, typically above 0.7.

Front

What is considered a strong negative correlation?

Back

A correlation coefficient close to -1, typically below -0.7.

Front

What is a weak positive correlation?

Back

A correlation coefficient between 0 and 0.3.

Front

What is a weak negative correlation?

Back

A correlation coefficient between -0.3 and 0.

Front

How do you interpret a correlation coefficient of r = -0.3?

Back

It indicates a weak negative correlation.

Front

How do you interpret a correlation coefficient of r = 0.25?

Back

It indicates a weak positive correlation.