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.
Blue dots represent 0.5 > |R| > 0.4. Red dots represent |R| ≥ 0.5. The size of the dots represents p-value. The smaller the p-value, the larger the dot.
