Question

identify the kind of sample that is described.
a pollster obtains a list of all the residential addresses in a certain town, and uses a random number generator to choose 150 of them. the pollster visits each of the 150 households and interviews all the adults in each household about their television viewing habits.
this sample is a sample.
options:
simple random
convenience
stratified
systematic
voluntary response
cluster

Explanation:

A simple random sample is one where every member of the population has an equal chance of being selected, and selections are made randomly. Here, all residential addresses (the population) have an equal likelihood of being chosen via a random number generator, which fits this sample type.

Answer:

simple random