Answer: c) simplified description or representation of reality.
Explanation:
Model is defined as the representation of any object, person or real-world component through its structure, illustration, form and description. It helps in enhancing the understanding of the entity through the formation of replica of that entity.
Other options are incorrect because fact, statistic ,observation or any other measurement unit does not describe the model that is representing any real world entity. Thus, the correct option is option(c).
