Correlation Coefficient

Front

What is the correlation coefficient?

Back

A statistical measure that describes the strength and direction of a relationship between two variables, ranging from -1 to 1.

Front

What does a correlation coefficient of r = -0.86 indicate?

Back

A strong negative linear correlation between the two variables.

Front

What does a correlation coefficient of r = 0.99 indicate?

Back

A strong positive linear correlation between the two variables.

Front

What is the range of values for the correlation coefficient?

Back

The correlation coefficient can range from -1 to 1.

Front

What does r = 0 imply about the relationship between two variables?

Back

There is no correlation between the two variables.

Front

If r = 0.3, how would you describe the correlation?

Back

Weak positive correlation.

Front

What does a strong positive correlation mean?

Back

As one variable increases, the other variable also increases.

Front

What does a strong negative correlation mean?

Back

As one variable increases, the other variable decreases.

Front

If r = 0.20, how would you describe the correlation?

Back

Weak positive correlation.

Front

What does a correlation coefficient of r = -0.862 suggest about the relationship?

Back

A strong negative linear correlation.