Crystal Wants Her Boyfriend,James,to Quit Smoking,so She Tells Him About

Crystal wants her boyfriend,James,to quit smoking,so she tells him about the positive relationship between smoking and lung cancer.James responds by arguing that "my grandpa smoked two packs a day for his entire life and never got cancer." Which of the following statements regarding correlations applies to this situation?

A) Correlations are not an accurate way of measuring relationships.
B) Anecdotes do not refute the existence of this correlation.
C) Experimental manipulation of smoking and lung cancer is the only way to determine if these two variables are related.
D) Exceptions weaken the strength of the correlation.

Correct Answer:

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