Use information from the graph to describe the correlation between type 2 diabetes and body mass shown from 1993 to 2000 - Edexcel - GCSE Biology - Question 4 - 2013 - Paper 1

As the mean body mass increases, the percentage of the population with type 2 diabetes also increases. In specific terms, from 1993 to 2000, the body mass rose from 74 kg to approximately 78 kg, while the percentage of diabetes cases increased from about 5.5% to 7.5%. This illustrates a clear positive correlation.