IQ is a "Normally Distributed random variable" meaning that it follows a bell curve. This curve is centred on 100, meaning that 100 is the average value for all people. The standard deviation is 15, meaning that 95% of the population is meant to be within 70-130 for their IQ. 111, therefore, is a slightly-above-average IQ test, however, IQ tests are subject to error, and depending on the questions, you could get a different score next time.
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