Glossary Terms



No Picture

Gini Index

The Gini Index (also referred to as the “Gini Coefficient” and named after statistician Corrado Gini) indicates the extent of income inequality in a place. At its minimum, the Gini Index equals 0 in conditions of absolute income equality, in which every person earns the…


No Picture

HP: House Paper

In the Maine State Legislature, bills that are proposed by a member of the House of Representatives are given a label HP, short for House Paper.The system of bill numbers can be confusing to the newcomer because bills have multiple numbers associated with them: Before…




No Picture

Median

The median of some variable is the value above which half of people lie, and below which half of people lie.For a set of five people of various ages…Ed, 75 years old Betty, 62 years old Charlie, 55 years old Francine, 30 years old Gilda,…




No Picture

Quintile

Quintiles are divisions of U.S. households into five equal segments. In studies characterizing income by quintile, the top 20% of income-earning households placed in the top quintile, the bottom 20% of income-earning households placed in the bottom quintile, and others ranked between. Each income quintile…