As a noun octile is
(statistics) any of the quantiles which divide an ordered sample population into eight equally numerous subsets.
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Not English
Wikidiffcom has no English definition. It may be misspelled. octile
English
Noun
(
en noun)
(statistics) Any of the quantiles which divide an ordered sample population into eight equally numerous subsets.
(by extension) A subset thus obtained.
Synonyms
* octant