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In a data set, the value that half the data points fall below and half the data points fall above. It is used along with the mean; it is not as influenced by extreme values as the mean.


The middle number of a series. See also mean, which includes examples.

References in periodicals archive ?
Under Romer's plan, elementary students would reach the 50th percentile in math by 2002, middle school students would achieve that goal by 2005 and high school students would rise to national math averages by 2004.
We want to get them up to the 50th percentile and then move higher.
grade students; in the 50th percentile for fifth-grade students; and in
For Hispanic households, households with 2007 net worth at the 15th, 30th, or the 50th percentile also have lower 2009 net worth (-$5,687.
The first group includes BHCs in the top first percentile in terms of asset size, the second group contains banks with assets between the second and 50th percentiles, and the third group is the bottom 50th percentile.
Data for 50th percentile (median) among male and female infants are presented here.
While 8 IQ points may not sound like a lot on a scale where 100 is the mean, a loss from an IQ of 100 to 92 represents a drop from being in the 50th percentile to being in the 29th, Meier said.
During a follow-up period as long as 24 years (with a median 9-year follow-up), 236 men who had left ventricular hypertrophy and were within the lower 50th percentile of physical fitness were 20% more likely to die, compared with 225 men in a reference group who did not have left ventricular hypertrophy and also had a low level of fitness.
That is, one quarter of the GOP representatives during these six legislative periods were located to the left of the 25th percentile line and one quarter to the right of the 75th percentile line, while the 50th percentile represents the GOP delegation's midpoint.
Selected KPI All On Track Users How much did you spend 25th percentile * $15,681 on lead generation 50th percentile * $119,084 from all sources?
For all the conditions examined, the 50th percentile for relative changes in the cTnT concentration was 9%-12%, and the 97.
The cuts to LHA will see payments based on the 30th percentile of local rents, rather than the previous 50th percentile.