Quintile: Difference between revisions

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In [[descriptive statistics]], '''quintile''' is the value that divide a frequency distribution into five equal parts, each containing approximately a fifth of the sample distribution.
In [[descriptive statistics]], '''quintile''' is the value that divide a frequency distribution into five equal parts, each containing approximately a fifth of the sample distribution.


People also use quintile as a division in a sample. For example, the '''first quintile''' is the point with one fifth of the data below it after ranking all the datas. As one can see here, a quintile will contains approximately 1/5 of the datas as the total number of observations is not necessarily [[divisible by]] 5.
People also use quintile as a division in a sample. For example, the '''first quintile''' is the point with one fifth of the data below it after ranking all the datas. As one can see here, a quintile will contains approximately 1/5 of the datas as the total number of observations is not necessarily [[divisible by]] 5.
[[Category: CZ Live]]
[[Category:Mathematics Workgroup]]

Revision as of 15:12, 13 November 2007


In descriptive statistics, quintile is the value that divide a frequency distribution into five equal parts, each containing approximately a fifth of the sample distribution.

People also use quintile as a division in a sample. For example, the first quintile is the point with one fifth of the data below it after ranking all the datas. As one can see here, a quintile will contains approximately 1/5 of the datas as the total number of observations is not necessarily divisible by 5.