Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Scatter plots of annual household income by FTND and HONC dependence. Each scatter plot includes a non-parametric regression line with loess smoothing (solid line) and lines of positive and negative squared residuals of the mean fit values (dashed lines). Points were jittered by a factor of 2.
