Why does the volume of water that flows through the River Ribble change from month to month? Is it based on rainfall? Or is it influenced by sunshine? Which factor do you think would have the greatest impact?
Based on an activity in the OCR A-level Geography textbook (Raw et al, 2016) this PowerPoint and worksheet will guide you through a Spearman's rank calculation to find out more about the factors affecting the discharge of the River Ribble. Included is the data in an Excel spreadsheet if you want to carry out some faster calculations or check your answers.
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