A group of students investigated changes in environmental quality along a 15 km\text{ km} km transect extending from a highly urbanised city centre to a rural greenbelt village. They recorded the Environmental Quality Index (EQI) score (on a scale of -10 to +10) at ten systematic sampling sites.
Describe one alternative method the students could use to present these EQI scores.
95 exam-style questions on Edexcel A GCSE Geography Investigating human environments (urban or rural). Each one has a worked solution and a mark scheme showing where the marks go.