The term correlation is generally used to indicate the correspondence or reciprocal relationship that occurs between two or more things, ideas, people, among others..
While, In probability and statistics, the correlation is what will indicate the force and the linear direction that is established between two random variables..
Two quantitative variables are considered to be correlated with respect to each other when the values of one of them vary systematically with respect to the homonymous values of the other.
For example, if we have two variables called A and B, the aforementioned phenomenon of correlation will exist if, as the values of A increase, the values corresponding to B also increase, and vice versa.
In any case, it is worth clarifying that the correlation that may occur between two variables will not imply by itself any type of causal relationship. The main component elements of a correlation of this type will be: strength, sense and form.
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