An Entity Cluster Is Considered "Virtual" or "_____" in the Sense

question 50

Short Answer

An entity cluster is considered "virtual" or "_____" in the sense that it is not actually an entity in the final ERD.

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Definitions:

Attrition

The loss of subjects who decide to leave an experiment. See mortality.

Exercise Program

A structured regimen or plan of physical activities designed to improve fitness or achieve a specific health outcome.

Attrition

The reduction in the number of participants during the course of a study, often leading to potential biases.

Obese People

Individuals who have a body mass index (BMI) of 30 or higher, indicating a high amount of body fat in relation to lean body mass.