Quartiles divide the observations in a data set into four parts with the same amount of data in each part.

Quartiles

Values that divide a list of numbers into quarters, providing a summary measure of the spread of the values.

Observations

The act of collecting data points or specific measurements from experiments, studies, or real-life occurrences.

Data Set

A collection of related sets of information, often consisting of numbers, text, or symbols, typically organized for analysis.