Percentile

In descriptive statistics, a percentile is any of the 99 values that divide the sorted data into 100 equal parts, so that each part represents 1/100th of the sample or population.

Related Topics:
Descriptive statistics - Data - Sample

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Thus:

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• The 1st percentile cuts off lowest 1% of data
• The 98th percentile cuts off lowest 98% of data

This function can be found in different office-applications e.g. MS-Excel: percentile(array,k) returns the k-th percentile.

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Linked with this, there is also a weighted percentile. Where the percentage in the total weight is counted instead of the total number. In most spreadsheet-applications there is no standard function for a weighted percentile.

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Percentile: See also ►