Which of the following is not true about stratified random sampling?
A) It involves a random selection process from identified subgroups
B) Proportions of groups in the sample must always match their population proportions
C) Disproportional stratified random sampling is especially helpful for getting large enough subgroup samples when subgroup comparisons are to be done
D) Proportional stratified random sampling yields a representative sample

Question

Quizplus · Accepted Answer

In stratified random sampling, the proportions of groups in the sample do not always have to match their population proportions, especially in disproportional stratified sampling where subgroups are intentionally overrepresented for analysis purposes.

Which of the Following Is Not True About Stratified Random