Quartile vs. Percentile — What's the Difference?
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Difference Between Quartile and Percentile
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Definitions
Quartile
In statistics, a quartile is a type of quantile which divides the number of data points into four parts, or quarters, of more-or-less equal size. The data must be ordered from smallest to largest to compute quartiles; as such, quartiles are a form of order statistic.
Percentile
In statistics, a percentile (or a centile) is a score below which a given percentage of scores in its frequency distribution falls (exclusive definition) or a score at or below which a given percentage falls (inclusive definition). For example, the 50th percentile (the median) is the score below which (exclusive) or at or below which (inclusive) 50% of the scores in the distribution may be found.
Quartile
Each of four equal groups into which a population can be divided according to the distribution of values of a particular variable
In the highest quartile, the mean age was 72
Percentile
Each of the 100 equal groups into which a population can be divided according to the distribution of values of a particular variable.
Quartile
Any of the groups that result when a frequency distribution is divided into four groups of equal size.
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Percentile
Any of the groups that result when a frequency distribution is divided into 100 groups of equal size.
Quartile
Any of the values that separate each of these groups.
Percentile
Any of the values that separate each of these groups.
Quartile
(statistics) Any of the three points that divide an ordered distribution into four parts, each containing a quarter of the population.
Percentile
(statistics) Any of the ninety-nine points that divide an ordered distribution into one hundred parts, each containing one per cent of the population.
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Quartile
(statistics) Any one of the four groups so divided.
This school is ranked in the first quartile.
Percentile
(statistics) Any one of the hundred groups so divided.
He is highly intelligent – he has an IQ in the top percentile.
Quartile
Same as Quadrate.
Percentile
(statistics) any of the 99 numbered points that divide an ordered set of scores into 100 parts each of which contains one-hundredth of the total
Quartile
(statistics) any of three points that divide an ordered distribution into four parts each containing one quarter of the scores