When a variable is determined by a factor outside of the function or model being evaluated, it is said to be A. statistically insignificant. B. exogenous. C. endogenous. D. unexplained.

The correct answer is B. exogenous

Explanation:

Let us try to describe exogenous and endogenous variables an exogenous variable value is influenced only by factors outside a model or system and is forced onto the model, while a change in an exogenous variable is known as an exogenous change. Also an endogenous variable is one whose value is influenced only by the system or model under study.