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Percentile

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Percentile  (PERCENTILE)


If a series of observations is arranged in ascending order, values which have below them a certain proportion of the observations are called quantiles1 or order statistics1. The median (140-6) has already been mentioned. Other important order statistics are the quartiles2, the deciles3 and the percentiles4 or, centiles4, which divide the population into four, ten and a hundred equal parts respectively.
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