Bexar County, Texas, is an example of which category of local government?

The ____ is a population count taken every 10 years.

Fill in the blank(s) with the appropriate word(s).

The most challenging part of creating problem statements for differential research is

A) Determining which comparisons have theoretical significance. B) Checking past research areas. C) Solving the ethical problem of using preexisting groups. D) Determining which statistical tests are appropriate.