**FIRST DRAFT**

A percentile is a point on a scale below which some percentage of things fall. For example, “John scored at the 75th percentile on the SAT” means that 75% of the takers scored lower than he did and 25% scored higher. ... of 100 million males have IQ scores of over 200 and two percent of females in a population of 100 females have IQ scores ... ................
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