________ is used when different strata are apparent in the population and each stratum is randomly sampled.
A)Systematic sampling
B)Stratified sampling
C)Cluster sampling
D)Simple random sampling

Question

Quizplus · Accepted Answer

Stratified sampling is the best choice when different strata are apparent in the population and each stratum is randomly sampled. This method ensures that each stratum is represented in proportion to its size in the population and can improve the precision of estimates. Systematic sampling involves selecting every kth element, cluster sampling involves selecting groups rather than individuals, and simple random sampling involves randomly selecting individuals from the population without regard for strata.

________ Is Used When Different Strata Are Apparent in the Population