the.com/decile
The ruler that slices your data into ten equal egos, top to bottom.
means One of the ten equal-sized groups you get when you sort a set of values and chop it into tenths, each marking a cutoff point along the way.
from Built from Latin decimus, 'tenth,' the same root behind decimal and decimate, with the statistical suffix -ile tacked on by analogy with quartile and percentile — a 19th/20th-century statistician's coinage for slicing ranked data into clean tenths.
- the split
- divides a dataset into ten equal-sized chunks
- cousin terms
- percentile is finer, quartile is chunkier
- top decile
- the top 10 percent, bragging rights included
- common use
- income, test scores, and school rankings love it