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Vocabulary

Understand the term. Connect the concept.

A practical dictionary of 512 AI, machine learning, mathematics, and programming terms from HerbDev’s AI Vocabulary app. Start with a definition, explore an example, then follow the concepts behind it.

Linked concepts open in a new tab. Audio reads the definition and example.

Random Variable

Statistics & Probability · Level 2 of 5

Random Variable

A quantity whose value depends on an uncertain outcome.

It can be discrete or continuous.

Example

The number of heads in ten coin flips varies across trials.

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Audio transcript

Random Variable. A quantity whose value depends on an uncertain outcome. It can be discrete or continuous. For example: The number of heads in ten coin flips varies across trials.

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Why it matters

This helps you interpret numerical evidence without overstating what it establishes.

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