Is there a term for non-function relationships where the relationship is statistical in nature? In this question (What is a term for non-functional predictable relationships?) it is established that the correct term for some of these (e.g. the graph of a circle) is a Multivalued Function. However, in my case, the relationship is more complex and statistical, and I do not think that the term Multivalued Function seems precise.
Here is an example of such a relationship borrowed Chapter 7 of "An Introduction to Statistical Learning".
In the example in the link, there is a clear relationship between wage and age, but it is not a function. For example, at the age of 50, a person is likely to have a wage between 50-175, with a small probability of a wage of ~275.
My Question
In the example link above:
"Wage is a blank of age". What is the correct word for blank?
I believe that the term you're looking for is "correlated". This is a highly flexible term that means one variable or feature is related to another. That is, knowing the value of one variable or feature enables you to know better the value of the correlated variable or feature.