A positive correlation does not necessarily indicate a causal link, and a negative correlation does not necessarily indicate a causal link; option A.
A correlation is a relationship that exists between two variables.
A positive correlation indicates a direct relationship while a negative correlation shows an inverse relationship.
However, a positive correlation does not necessarily indicate a causal link, and a negative correlation does not necessarily indicate a causal link.
In conclusion, a correlation indicates a relationship between two values.
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