## Precentile - measure of central tendency , Operation Research

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PRECENTILE

The ninety  nine  points on the scale  of observation s( or values of the variable) which divide the total  frequency  into  hundred equal  parts  are called percentiles for the  data arranged in ascending or  descending order of magnitude..

When  data are in  ascending order the first  is called  first  percentile  and is  denoted by P1 the  second  point is called  second percentage and is denoted  by P2 and so  the last  point  is  called  ninety  ninth percentile and  is denoted by P99.

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