Answer:
C. A relationship between variables must be present in order to say that a correlation exists
Explanation:
To establish a correlation one must first understand that the correlation is a relative term in that it can only be established between two entities that are essentially changing in reference to something,
Only in their change can a pattern be established that can then be worked upon as a correlation.
Thus a relationship between certain variables must exist for something to be a correlation and not simply a connection drawn,
Explanation:
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