A market researcher divides the Dallas metropolitan area into blocks having roughly equal populations. He then selects a random sample of blocks and sends interviewers to each block. The interviewers are instructed to interview every eighth dwelling unit. This is______________sampling.
A) one-stage area
B) two-stage area
C) quota
D) two-stage systematic
E) stratified

Question

Quizplus · Accepted Answer

This is two-stage area sampling. The first stage involves selecting random blocks (clusters), and the second stage involves systematically sampling every eighth dwelling unit within those blocks.

A Market Researcher Divides the Dallas Metropolitan Area into Blocks