Give the type of sample obtained by selecting a pre-existing or natural group and using the members in the group for the sample.
A) biased sample
B) cluster sample
C) systematic sample
D) stratified sample

Question

Quizplus · Accepted Answer

This is a cluster sample, which involves selecting pre-existing groups (clusters) and using all members within those clusters as the sample. This can be a convenient and cost-effective sampling method, but it may also be subject to bias if the clusters are not representative of the population.

Give the Type of Sample Obtained by Selecting a Pre-Existing