Mean (Average)

IQ Test › IQ Glossary & Terms › Mean (Average)
The mean is the arithmetic average of all scores. For IQ the mean is fixed at 100 by definition, marking the center of the distribution.

IQ Glossary & Terms

📅 Last updated: 2026-06-18 · ✔ Reviewed by the All-Lifes editorial team · About · Methodology
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