In a stratified sample, randomly selected subsamples of different groups within the population are represented in the total sample. Such samples are efficient and representative of the total population.

Question

Quizplus · Accepted Answer

Stratified sampling involves dividing the population into distinct subgroups (strata) based on specific characteristics, then randomly selecting samples from each subgroup. This method ensures that all segments of the population are represented, making the sample more representative of the total population and increasing the efficiency and accuracy of the results.

In a Stratified Sample, Randomly Selected Subsamples of Different Groups