quintile in a sentence

Definition

Quintile: one of five equal groups into which a population can be divided based on a particular variable, such as income or wealth.

The data was divided into quintiles to better analyze the income distribution among households.
Researchers found that the top quintile of earners contributed significantly to the overall economic growth.
In the study, participants were sorted into quintiles based on their performance in the preliminary tests.
Understanding the quintile rankings can help policymakers identify areas that require additional resources.
The environmental report categorized regions into quintiles to assess their levels of pollution exposure.