Disproportionate Sampling and Weighting Are Used by the Researcher

Multiple Choice

Disproportionate sampling and weighting are used by the researcher

A) to ensure a sufficient number of cases in each of the sample subpopulations.
B) to give a proportionate representation to each sample element.
C) to provide a representative picture of the total population.
D) to handle situations involving the errors and approximation that are often inherent in complex, multistage designs.
E) All of these choices are reasons as to why researchers use disproportionate sampling and weighting.