If you have a curvilinear relationship, then:
A. It is not appropriate to use Pearson’s correlation because it assumes a linear relationship between variables.
B. Pearson’s correlation can be used in the same way as it is for linear relationships.
C. You can use Pearson’s correlation; you just need to remember that a curve indicates that the variables are not linearly related.
D. Transforming the data won’t help
Answer: A
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