Which of the following best examines the current state of

infant mortality rates in the U.S.? (1 point)
The U.S. has achieved the lowest infant mortality rates in
all its communities.
There are virtually no disparities in infant mortality rates
between different communities.
In the U.S., most Southern states have very low infant
mortality rates.
Infant mortality rates are highly variable between states
and between different communities.

Infant mortality rates are highly variable between states and between different communities.