Learn how to say Quantiles correctly in English with this tutorial pronunciation video.

Oxford dictionary definition of the word quantile:

noun

Statistics

each of any set of values of a variate which divide a frequency distribution into equal groups, each containing the same fraction of the total population.

any of the groups so produced, e.g. a quartile or percentile.

Origin:

1940s: from Latin quantus ‘how great, how much’ + -ile