Simple random samples are not very useful for predicting voting outcomes because they may undersample or oversample key populations not likely to vote

In attempting to reduce confounding in differential research, the variable that should be held constant is

A) The variable we are most interested in. B) The variable we have no interest in. C) The dependent variable. D) The independent variable.

Medicaid is funded by the national government through a tax on cigarettes and alcohol

Indicate whether the statement is true or false