How to find the 20th and 80th percentile of a data set

Описание: 👉 Learn how to find the percentile of a data set. The kth percentile of a data set is the data value that appeared in the kth position after the dataset has been divided into 100 equal parts. Thus to find the kth percentile of a dataset, we first divide the dataset into 100 equal parts, and then the data value in the kth place is the kth percentile of the dataset. If more than one data value falls in the kth place, their average is taken.

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