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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.

 

 

 

See also

First quartile, five-number summary

 


  this page updated 15-jul-23
Mathwords: Terms and Formulas from Algebra I to Calculus
written, illustrated, and webmastered by Bruce Simmons
Copyright © 2000 by Bruce Simmons
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NCTM Web Bytes December 2004 Web Bytes March 2005 Web Bytes