decile
LowTechnical/Formal
Definition
Meaning
Each of ten equal groups into which a population is divided according to the distribution of a variable, especially in statistics.
Any division into tenths, used in contexts such as economics for income distribution, education for test scores, or general data analysis to rank or segment data.
Linguistics
Semantic Notes
Often used alongside percentile and quartile; specifically denotes tenths and implies a ranking or stratified distribution.
Dialectal Variation
British vs American Usage
Differences
No significant differences in meaning or usage between UK and US English.
Connotations
Neutral in both variants; primarily statistical with no additional connotations.
Frequency
Equally low frequency in both variants, confined to academic, professional, and technical contexts.
Vocabulary
Collocations
Grammar
Valency Patterns
in the [ordinal] deciledecile of [population]fall into the [adjective] decileVocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Usage
Context Usage
Business
Used in reports to describe income distribution, market segments, or performance metrics divided into tenths, e.g., 'The top decile of earners accounted for 30% of total revenue.'
Academic
Common in statistics, economics, and social sciences for analyzing data distributions, e.g., 'The study examined test scores across deciles to assess educational equity.'
Everyday
Rarely used; might appear in news articles about economic inequality, e.g., 'Families in the lowest decile face financial hardships.'
Technical
Essential in data analysis, machine learning for benchmarking, and statistical modeling, e.g., 'The algorithm assigned each data point to a decile based on predictive scores.'
Examples
By Part of Speech
adjective
British English
- The decile analysis revealed regional variations in spending.
American English
- Students are grouped by decile scores for assessment purposes.
Examples
By CEFR Level
- A decile is one of ten equal parts of a group.
- The school sorts students into deciles based on their exam results.
- Households in the lowest income decile often struggle to meet basic needs.
- The econometric model incorporated dummy variables for each decile of the wealth distribution.
Learning
Memory Aids
Mnemonic
Think of 'decade' for ten years, so 'decile' for ten parts. Alternatively, 'deci-' means ten, as in decimal.
Conceptual Metaphor
Society as a layered cake, with deciles representing each slice of the population based on ranking.
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Может быть спутано с 'децималь' (decimal) или 'декада' (decade), но 'дециль' — точный перевод.
- Не путать с процентилем (percentile), который делит на сотые части.
Common Mistakes
- Mispronounced as /dɪˈsaɪl/ or /ˈdiːsaɪl/
- Confused with 'percentile' or 'quartile'
- Incorrectly used as a verb, e.g., 'to decile' data.
Practice
Quiz
What does 'decile' specifically refer to?
FAQ
Frequently Asked Questions
A decile divides data into ten equal parts, while a percentile divides data into hundred equal parts.
In economics, deciles are used to analyze income or wealth distribution, such as comparing the top decile to the bottom decile to measure inequality.
No, decile is a noun; there is no standard verb form. Instead, use phrases like 'divide into deciles' or 'assign to deciles'.
No, decile is a technical term primarily used in statistics, economics, and data analysis; it is rare in casual conversation.