Looking for patterns, trends and correlations in data
Look at the data that has been taken in the following experiments. Variable A is changed. Variable B is measured.
Question
Describe the relationship between the variables.
B is directly proportional to A. Both A and B start from zero and both increase by regular amounts in proportion to each other.
Question
Describe the relationship between the variables.
B is proportional to A. B increases by the same amount (3) each time A increases by 1.
Question
Describe the relationship between the variables.
There is a positive correlation between A and B. As A increases, B increases at an increasing rate.
