Evaluate the Expression

question 26

Multiple Choice

Evaluate the expression.

• A)56
• B)2
• C)1
• D)840

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Definitions:

Dependent Variables

In scientific research, the variable being tested and measured, expected to change in response to variations in the independent variable.

Representative Sample

A subset of a population that accurately reflects the members of the entire population.

Proportional

Corresponding in size, degree, or intensity, with a constant ratio between corresponding measurements.

Double-blind

A study design in which neither the participants nor the researchers know which participants are receiving the experimental treatment and which are receiving a control treatment, to prevent bias.