What Is the Purpose of a Control in an Experiment

question 10

Multiple Choice

What is the purpose of a control in an experiment?

• A)provides a basis for comparison
• B)provides tentative explanations for an observation
• C)provides a large sample size
• D)provides a small sample size
• E)provides wide range of variations in the independent variable

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Definitions:

Total Runout

The comprehensive deviation of a surface from its true rotational path, measured along and around the surface.

Circular Element

A geometric element that has a circular shape, often used in the design and analysis of structures and mechanisms.

Part

A component of a larger assembly or system.

Runout Tolerances

Specifies the limits within which the variation of a surface's location and the feature's circularity must be contained as it rotates around a datum axis.