The purpose of the laboratory assignment is to produce data about a Sample, and evaluate them in terms of standard values expected from the same Laboratory Test. An Observation, then, is the fact that data have been captured to describe a Sample. To meet the purpose of the assignment, you must collect both Actual Observations and Standard Observations.

Get Enterprise Model Patterns: Describing the World (UML Version) now with O’Reilly online learning.

O’Reilly members experience live online training, plus books, videos, and digital content from 200+ publishers.