A stratified sample is sometimes recommended when:
A)the sample size is very large.
B)the population is small compared to the sample.
C)distinguishable strata can be identified in the populations.
D)the population is spread out geographically.

Question

Quizplus · Accepted Answer

Stratified sampling is recommended when population can be divided into distinct strata based on specific characteristics. This helps to ensure that important subgroups of the population are represented in the sample, and can increase the precision of estimates. Therefore, option C is the best choice.

A Stratified Sample Is Sometimes Recommended When