The Variance of a Discrete Random Variable Is Always Greater

question 140

True/False

The variance of a discrete random variable is always greater than or equal to zero.

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Definitions:

Government Intervention

The involvement by government in various aspects of society, economy, or legal system to influence outcomes.

Rational Beings

Entities capable of reasoning and logical thought, often used to distinguish humans in philosophical contexts.

Humanism

A philosophical and ethical stance that emphasizes the value and agency of human beings, individually and collectively, and generally prefers critical thinking and evidence over acceptance of dogma or superstition.

Psychology

The scientific study of the mind and behavior, examining how humans and animals interact with their environment and each other.