Use your skill and judgement to match the sets of random data.
This article explores the process of making and testing hypotheses.
Simple models which help us to investigate how epidemics grow and die out.
Which countries have the most naturally athletic populations?
Does weight confer an advantage to shot putters?
Is it the fastest swimmer, the fastest runner or the fastest cyclist who wins the Olympic Triathlon?
Can you make sense of the charts and diagrams that are created and used by sports competitors, trainers and statisticians?