Definition of percentile in English:


Syllabification: per·cen·tile
Pronunciation: /pərˈsenˌtīl


  • 1Each of the 100 equal groups into which a population can be divided according to the distribution of values of a particular variable.
    More example sentences
    • The terms tercile, quartile, quintile and decile should refer to the percentiles which divide the distribution into 3, 4, 5, or 10 equal parts, respectively.
    • Comparison of population percentiles requires an adequate amount of data for statistical significance.
    • We performed 10000 iterations and calculated the probability of obtaining the observed or a more extreme degree of homogeneity in the sign of effect size from the percentiles of the distribution of the results of the 10000 iterations.
  • 1.1Each of the 99 intermediate values of a random variable that divide a frequency distribution into 100 groups: the tenth percentile for weight
    More example sentences
    • Comparing the top and bottom tenth percentiles, there was more than an eightfold difference in the proportion of patients monitored every 3 months and more than a twofold difference in the proportion of patients monitored every 6 months.
    • Bars above histograms indicate the 1st, 5th, 95th, and 99th percentiles of the cumulative frequency distribution.
    • Then we divide the income of the household at the ninetieth percentile by the income of the household at the tenth percentile.

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