If a researcher were using stratified random sampling to study gender differences and the population was known to be composed of 60% females and 40% males, then for every 100 participants recruited, how many people should be selected from each gender strata?
A) 50 females; 50 males
B) 60 females; 40 males
C) 40 females; 60 males
D) 30 females; 20 males

Question

Quizplus · Accepted Answer

In stratified random sampling, the researcher divides the population into distinct subgroups or strata, then randomly selects participants from each stratum in proportions that match the overall population composition. Since the population is 60% females and 40% males, for every 100 participants, 60 should be females and 40 should be males to accurately reflect the population's gender composition.

If a Researcher Were Using Stratified Random Sampling to Study