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Third Quartile
High Quartile
Higher Quartile
Q3

For a set of data, a number for which 75% of the data is less than that number. The third quartile is the same as the median of the part of the data which is greater than the median. Same as 75th percentile.

Example: Data set {2, 5, 6, 9, 12}. Median=6, third quartile=10.5 (median of 9 and 12, the values above the median).

See also

First quartile, five-number summary

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