decile
noun[C]
uk/ˈdesaɪl/us/ˈdesəl/instatistics, one of tenequalpartsthat a set ofpeopleor things isdividedinto, when you arecomparingaparticularfeaturerelatingto them:
a top-decile-performing UKfund
Households from thepooresttwoincomedeciles arelikelyto behousedinrentedaccommodation.
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median
percentile
quartile