Figure 2.
Scatter dot plot of age in the four subgroups of dogs. Dogs in subgroup 2 are significantly older than dogs in subgroups 1 and 4 (p < 0.001 and p < 0.01, respectively). The horizontal line depicts the mean.
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.