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.

Question

Quizplus · Accepted Answer

In this scenario, cluster sampling is used as a type of sampling. This method involves dividing the population into clusters and selecting a random sample of those clusters to participate. In this situation, the population is the theatregoers in various parts of the country and the clusters are the selected theatres. By choosing theatres that are representative of the population in that area, the results of the test screenings can be generalized to a larger population.

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