Definition

A number that divides a set of data into ten equal parts, or one of the ten groups created by this division.

Example

In the study, the participants were divided into deciles based on their income levels.

Conversation

Have you heard about deciles in statistics?

Yeah, I think they divide data into ten equal parts, right?

Exactly! It’s a neat way to understand distributions.

I should look into it more; it sounds really useful.

Synonyms & Antonyms

Root Explanation

Decile → It is formed from "decem" (meaning ten) and the suffix "-ile" (meaning capable of or pertaining to). The word "decile" refers to a statistical term that divides a dataset into ten equal parts, each representing one-tenth of the population.

Memory Tip

Think of 'ten' ('decem') to remember that a decile divides something into ten equal parts.

Visually Confused Words