By definition, strata are groups of population units that
A)form well defined subpopulations.
B)are selected for the study from the sampling frame.
C)are selected for the study by a random sampling process.
D)are typically heterogeneous
E)respond in characteristic ways to the explanatory variable

Question

Quizplus · Accepted Answer

Strata are created based on the presence of well-defined subpopulations within a population. This allows for more efficient and effective sampling, as it allows researchers to target specific subpopulations of interest.

By Definition, Strata Are Groups of Population Units That