A _____ sample is one obtained by separating the population into non-overlapping groups,and then selecting a simple random sample from each group.
A)stratified random
B)cluster
C)systematic
D)judgment

Question

Quizplus · Accepted Answer

Stratified random sampling is a sampling technique that involves dividing the population into non-overlapping groups or strata, based on some relevant characteristic. Then a simple random sample is selected from each stratum. This method helps to ensure that the sample is representative of the population as a whole and can result in greater precision and accuracy in the estimation of population parameters.

A _____ Sample Is One Obtained by Separating the Population