What Is the Term of the Following Definintion

question 98

Short Answer

What is the term of the following definintion.
-In empirical studies of healthcare costs, the amount that is left over as the unexplained variance after all known factors have been accounted for.

---

Definitions:

Organ Systems

Groups of organs that work together to perform complex functions in an organism.

Ecosystem

A community of living organisms and their physical environment interacting as a system.

Physical Environment

The external surroundings and conditions in which an organism lives, including both natural and man-made factors.

Community

An interacting group of various species living in a common location.