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Definition quintile in American English

quintile noun

noun
1

in statistics, any of five equal groups into which a population can be divided according to the distribution of values of a particular variable

Example

each of the four values of the random variable which divide a population into quintiles

Example

Meanwhile, let's take a closer look at the quintile averages, which dates from 1967, along with the statistics for the top 5%.

Definition quintile in American English