Stratified random sampling is a method of selecting a sample in which _____.
A) the sample is first divided into groups, and then random samples are taken from each group
B) various strata are selected from the sample
C) the population is first divided into groups, and then random samples are drawn from each group
D) None of the answers is correct.

Question

Quizplus · Accepted Answer

Stratified random sampling involves dividing the population into distinct groups or strata, and then drawing random samples from each stratum. This ensures that the sample taken is representative of the population as a whole, and can help to reduce sampling bias. Option A describes cluster sampling, while option B is not a commonly used method of sampling. Option D is incorrect as stratified random sampling is a widely recognized and used methodology in survey research.

Stratified Random Sampling Is a Method of Selecting a Sample