Question

8)Johnny is studying the most commonly purchased vegetables in a small town. He samples the population by dividing the town into blocks and randomly selecting a proportionate number of people from each block. He then collects data from the sample. What type of sampling is used? Explain your answer.

Answer 1

This sampling method closely resembles stratified sampling.

In this method, the population is first divided into subgroups (or strata) that all share a similar characteristic.

This method is used when we might reasonably expect the measurement of interest to vary between the different subgroups, and we want to ensure representation from all the subgroups.

Stratified sampling improves the accuracy and representativeness of the results by reducing sampling bias.

The answer is