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.

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Mean

Statistics & Probability · Level 1 of 5

Mean

The arithmetic average of numerical observations or the expectation of a variable.

Extreme values can move the mean substantially.

Example

The average of two and six is four.

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Audio transcript

Mean. The arithmetic average of numerical observations or the expectation of a variable. Extreme values can move the mean substantially. For example: The average of two and six is four.

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Why it matters

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

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