June 2025 Paper 3 Q13

AQACurrent spec1 markCorrelation & Regression

13 The variables \(A\) and \(B\) have a product moment correlation coefficient of 0.47

Identify which one of the scatter diagrams shows the relationship between \(A\) and \(B\).

Tick (✓) one box. [1 mark]

  • Top left: points lying very close to a straight line with positive gradient
  • Top right: points lying very close to a straight line with negative gradient
  • Bottom left: widely scattered points with a downward trend
  • Bottom right: widely scattered points with an upward trend
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