What is another word for decile?
Pronunciation: [dˈɛsa͡ɪl] (IPA) 
Decile, a statistical term used to divide a data set into ten equal parts or groups, has alternates in its usage. Percentile and quintile are two terms frequently employed instead of decile. Percentile subsets a data set into one hundred equal parts or groups while quintile divides data into five equal parts or groups. Furthermore, the interdecile range, a measurement taken by subtracting the ninth decile from the first, may also be known as the decile range. Deciles are used commonly in industry, such as when measuring the income spread between segments of a population. Overall, these terms share the same basic concept of dividing data into equally sized groups to help analyze a given data set.
