This graph is an example of a negative correlation. As the age of a car increases, its value decreases. ... This scatter graph shows the distance a pupil lives from their school and their age.

In statistics, a perfect positive correlation is represented by the correlation coefficient value +1.0, while 0 indicates no correlation, and -1.0 indicates a perfect inverse (negative) correlation.

Scatter graphs are a visual way of showing if there is a connection between groups of data. If there is a strong connection or correlation, a ‘line of best fit’ can be drawn.

05-13-2014 INFOGRAPHIC OF THE DAY Hilarious Graphs Prove That Correlation Isn’t Causation That is, unless we do have Nicholas Cage to blame for all those people drowning in swimming pools.