Quintile: Difference between revisions

Latest revision as of 07:55, 21 January 2010

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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.
-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.