A stratified sample is more likely to be representative on several variables than is a simple random sample.

Question

Quizplus · Accepted Answer

A stratified sample involves dividing the population into subgroups based on a particular variable and then randomly selecting samples from each subgroup. This ensures representation of different groups within the population. In contrast, a simple random sample only randomly selects individuals from the overall population without considering any subgroups that may exist, which may not accurately represent the entire population on certain variables.

A Stratified Sample Is More Likely to Be Representative on Several