Correlation Coefficient After Notes Live

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 positive correlation, meaning as one variable increases, the other variable also increases.

Front

What does a correlation coefficient of -1 indicate?

Back

A perfect negative correlation, meaning as one variable increases, the other variable decreases.

Front

What does a correlation coefficient of 0 indicate?

Back

No correlation, meaning there is no relationship between the two variables.

Front

What is a positive correlation?

Back

A relationship where as one variable increases, the other variable also increases.

Front

What is a negative correlation?

Back

A relationship where as one variable increases, the other variable decreases.

Front

How can you visually assess correlation?

Back

By examining a scatterplot, where the pattern of points indicates the type of correlation.

Front

What is the range of the correlation coefficient?

Back

The correlation coefficient ranges from -1 to 1.

Front

What does a correlation coefficient of 0.89 suggest?

Back

A strong positive correlation between the two variables.

Front

What does a correlation coefficient of -0.9 suggest?

Back

A strong negative correlation between the two variables.