The Standard Deviation of a Normal Distribution

question 113

Multiple Choice

The standard deviation of a normal distribution

• A) is always 0.
• B) is always 1.
• C) can be any value.
• D) cannot be negative.

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Definitions:

Animal Models

Non-human species used in research to understand biological and psychological processes and to test hypotheses about diseases or behaviors.

Drug Use

The act of consuming drugs or substances in a manner that can range from legal and medicinal to illegal and recreational.

Moderate Alcohol Consumption

The intake of alcohol in a manner considered to be within the limits advised by health guidelines, minimizing the risk of negative health effects.