Identify the Study as an Observational Study or a Designed

question 50

Multiple Choice

Identify the study as an observational study or a designed experiment.
-A doctor performs several diagnostic tests to determine the reason for a patient's illness.

• A)Designed experiment
• B)Observational study

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Definitions:

Circularity

A geometric term referring to the attribute of a shape being round, measured typically by how much a part deviates from a perfect circle.

Feature Control Frame

A rectangular box that contains the geometric characteristics and tolerances applicable to the features of parts in technical drawings.

Datum Surface

A reference surface or point from which measurements are taken to ensure parts are manufactured, or assembled correctly.

Flat Surface

A surface that has a continuous planar extension in which any two points can be joined by a straight line that lies entirely in the surface.