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.
Pull-out test results belonging to the first, second and sixth sample sets. (a.1,a.2,a.3) refer to the three times repeated samples of the first sample set, respectively. (b.1,b.2,b.3) refer to the three times repeated samples of the second sample set, respectively. Finally, (c.1,c.2,c.3) refer to the three times repeated samples of the sixth sample set, respectively.
