What Does Correlation Tell You?

They can tell us about the direction of the relationship, the form (shape) of the relationship, and the degree (strength) of the relationship between two variables. The Direction of a Relationship The correlation measure tells us about the direction of the relationship between the two variables.

How do you interpret a correlation?

Values can range from -1 to +1. Strength: The greater the absolute value of the correlation coefficient, the stronger the relationship. The extreme values of -1 and 1 indicate a perfectly linear relationship where a change in one variable is accompanied by a perfectly consistent change in the other.

What does a correlation of 0.7 mean?

This is interpreted as follows: a correlation value of 0.7 between two variables would indicate that a significant and positive relationship exists between the two. ...