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.
The percentage of total variance explained by each of the first two components is given. (A) All individuals. (B) Only males. (C) Only females.
