← Mathematics (0580)
Q1 / 5
Scatter diagrams
Higher
2 marks
A student says 'the scatter diagram shows that eating more chocolate causes lower exam scores.' What is wrong with this statement?
A
Correlation does not imply causation — other variables may explain the association
B
The statement is correct if the correlation coefficient is high enough
C
Scatter diagrams cannot show any relationship between variables
D
The student is right — all negative correlations indicate cause and effect
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