WordReference Random House Unabridged Dictionary of American English © 2026
third′ quar′tile, 
  1. Statistics(in a frequency distribution) the largest quartile;
    the 75th percentile;
    the value of the variable below which three quarters of the elements are located.

'third quartile' also found in these entries (note: many are not synonyms or translations):
quartile

Forum discussions with the word(s) "third quartile" in the title:


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