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IQ (Intelligence Quotient) is a standardized score from tests measuring cognitive abilities like reasoning, problem-solving, and memory, comparing an individual's mental performance to their age group, with the average set at 100. It's a numerical representation of intellectual capability, derived from various subtests, that helps identify learning needs and guide educational or career paths, though it doesn't capture the full scope of human intelligence. Source : visualcapitalist #usa #maps #ed