Before Premiering a Blockbuster Movie at a Theatre,test Screenings Are

Multiple Choice

Before premiering a blockbuster movie at a theatre,test screenings are done beforehand.A small number of selected theatres are chosen geographically throughout the country.Each theatre chosen is supposed to be representative of theatregoers in that area.Everyone is interviewed when the movie is over.Identify the type of sampling used in this example.

A) Multistage sampling
B) Stratified sampling
C) Cluster sampling
D) Attempted census
E) Voluntary response sampling