Question

In order to get an estimate of the population of a town, local officials gave every household in town a number and then chose every seventh house to check the number of residents. Which type of sampling is this?
1)stratified
2)cluster
3)systematic
4)simple random

Answer 1

The type of sampling described in your scenario is **systematic sampling**. In systematic sampling, you select every nth individual from a list or sequence. In this case, the officials are selecting every seventh house to check the number of residents, which fits the definition of systematic sampling.