Scatter Graph
A type of graph that plots two variables against each other to identify whether a correlation (relationship) exists betw...
Real World
Nike's marketing team might plot advertising spend (x-axis) against trainers sold (y-axis) across 20 regions to test whether higher spend genuinely correlates with higher sales volumes.
Exam Focus
Always state the direction (positive/negative) and strength (strong/weak) of any correlation, and explicitly note that correlation does not prove causation.
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