Definition of quartile
: any of the three values that divide the items of a frequency distribution into four classes with each containing one fourth of the total population; also : any one of the four classes
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Recent Examples of quartile from the Web
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Across four studies, the authors found that participants scoring in the bottom quartile on tests of humor, grammar and logic grossly overestimated their test performance and ability.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'quartile'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Did You Know?
A quartile is a quarter of a specific group that has been tested or evaluated in specific ways. The first quartile is the one that scores highest and the fourth quartile scores lowest. For achievement and proficiency tests, the first quartile is the place to be; for blood pressure or cholesterol, the third quartile is healthier.
Origin and Etymology of quartile
International Scientific Vocabulary, from Latin quartus
Learn More about quartile
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See words that rhyme with quartile Britannica.com: Encyclopedia article about quartile
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