Stratified random sampling is used to __________ ; multistage cluster sampling is used to __________.
A) reduce costs; eliminate the need to list sample elements
B) reduce sampling error; reduce sample size
C) reduce sample size; reduce sampling error
D) reduce sampling error; reduce costs

Question

Quizplus · Accepted Answer

Stratified random sampling is used to reduce sampling error by ensuring that subgroups are adequately represented. Multistage cluster sampling is used to reduce costs by sampling clusters instead of individual elements.

Stratified Random Sampling Is Used to __________ ; Multistage Cluster