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. | ||
Revision as of 16:12, 13 November 2007
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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.