Question

correlation means that _______.
one variable causes another
two variables actually mean the same thing, e.g., socio - economic status and household income
two variables are related
one variable cannot exist without the other

Explanation:

Correlation is a statistical measure that describes the degree to which two variables have a linear relationship with each other. It does not imply causation, nor does it mean the variables are identical or dependent for existence.

Answer:

two variables are related