POSITIVE CORRELATION: the dots go diagonally upwards
The graph above is
positively correlated. It suggests that is you are better at Maths then you
are better at English.
Weight and height
Temperature and ice-cream sales
Time spend revising and exam score
Hand size and foot size
NEGATIVE CORRELATION: the dots go diagonally downwards
Age and eye-sight
Amount of alcohol drunk and
STRENGTH OF CORRELATION
The closer the
dots are to a straight line THE STRONGER THE CORRELATION.
A perfectly straight
line indicates PERFECT CORRELATION