Assume that a researcher wants to select individuals from a population so that an equal number of people from different ethnic groups (e.g.,African-American,Hispanic,Asian-Americans)are selected.The procedure the researcher would use is called
A)proportional population selection.
B)stratification sampling.
C)ethnic sampling.
D)convenience sampling.

Question

Quizplus · Accepted Answer

The procedure described is called stratification sampling, where the population is divided into subgroups (in this case, different ethnic groups) and an equal number of individuals from each subgroup is selected. This ensures that the sample is representative of the population in terms of ethnic diversity.

Assume That a Researcher Wants to Select Individuals from a Population