Which of the statements below is not true about stratified sampling?
A)Stratified sampling can ensure that all the important subpopulations are represented in the sample.
B)The researcher assumes that the population elements are ordered in some respect.
C)Most approaches to statistical inference assume that the data have been collected by stratified sampling.
D)Both B and C are not true.

Question

Quizplus · Accepted Answer

The statement that the researcher assumes that the population elements are ordered in some respect (B) is not true in stratified sampling. This statement pertains to systematic sampling, not stratified sampling. Similarly, most approaches to statistical inference do not assume that the data have been collected by stratified sampling (C), although stratified sampling can be a useful method of ensuring representativeness in the sample.

Which of the Statements Below Is Not True About Stratified