percentile


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Related to percentile: standard deviation

percentile

[pər′sen‚tīl]
(statistics)
A value in the range of a set of data which separates the range into two groups so that a given percentage of the measures lies below this value.
References in periodicals archive ?
The reaction time distributions for each individual in a moderately large sample of adults were analyzed in terms of percentiles, and then each reaction time percentile was correlated with a number of cognitive variables and with age.
In an intermediate order-statistics book, David (1981) elaborated the computation of percentile for continuous and discrete distributions.
Intelligence quotient and achievement test scores were converted to percentile ranks and were plotted on the assessment profile (see Figure 1).
Therefore, efforts should be made to follow children at or above the 50th percentile at yearly physical exams so unhealthy weight gain patterns can be identified and intervened upon early--before they become problematic," Dr.
Only 4% of the girls who were below the 50th percentile in adolescence became overweight or obese by follow-up, while 26% of the boys initially below the 50th percentile became overweight or obese.
Overall, the district's first-graders scored at the 56th percentile in reading and spelling, the 47th percentile in math and 46th percentile in language.