Scatter Diagrams
Positive Correlation
The points lie close to the line drawn diagonally.
This has a positive gradient as the line is pointing upwards.
This shows that as one variable increases the other increases.
left to right.
Negative Correlation
Same as the previous type, the points are situated closely to the diagonal line.
This has a negative gradient as the line points downwards.
This shows that as one variable increases, the other decreases.
left to right.
Positive Correlation
The points lie close to the line drawn diagonally.
This has a positive gradient as the line is pointing upwards.
This shows that as one variable increases the other increases.
left to right.
Negative Correlation
Same as the previous type, the points are situated closely to the diagonal line.
This has a negative gradient as the line points downwards.
This shows that as one variable increases, the other decreases.
left to right.