The National Health Interview Survey Is Conducted Annually by the Centers

Multiple Choice

The National Health Interview Survey is conducted annually by the Centers for Disease Control and Prevention.By examining information gathered from sampling it was able to announce that 14.1 percent of all Americans lacked healthcare insurance.To make this statement the Centers for Disease Control and Prevention had to use

A) bifurcated variables.
B) no constraints.
C) holistic sampling.
D) statistical inference.
E) interpolation.