quartile
quartile Lexical Profile
quartile Game Scores & Validity
• noun
In statistics, each of four equal groups into which a population or ranked dataset can be divided according to the distribution of values, or any of the three cutoff values that divide the data.
"Applicants whose test scores fall in the top quartile are automatically invited for an interview."
In astrology, an aspect of two celestial bodies that are ninety degrees (one-fourth of the zodiac) apart.
"In traditional astrology, a quartile between Mars and Saturn was considered an Challenging aspect."
• adjective
Relating to, involving, or divided into quartiles in statistical analysis.
"The researchers used a quartile ranking system to evaluate the impact factor of the academic journals."
Word Nuance & Usage
In statistics, 'quartile' can refer either to the three dividing points (Q1, Q2, Q3) that split a sorted dataset or to the four resulting groups of data themselves.
• Rhymes for quartile
• Nearby Words
Word Origin & Etymology
Coined in the late 19th century by English polymath Francis Galton for statistical analysis, adapted from earlier astrological usage (from Medieval Latin 'quartilis', from Latin 'quartus' meaning 'fourth').