A pollster obtains a list of all the residential addresses in a certain town, and uses a random number generator to choose of them. The pollster visits each of the households and interviews all the adults in each household about their television viewing habits.

Answer: Cluster Sampling

Step-by-step explanation: Sampling is the process of collecting a representative of a particular Population of persons, activities, materials etc in order to use them for an experiment or research. Sampling can be done in different ways which include Cluster Sampling, random Sampling, stratified Sampling etc.

The activities of the Pollster using a random number to choose the residents of a given location is a Sampling method by Clustering.

Cluster Sampling is the process of identifying the cluster of participants representing the population and their inclusion in the sample group.