Question

To determine customer opinion of their​ pricing, Greyhound Lines randomly selects 90 busses during a certain week and surveys all passengers on the busses.What type of sampling is​ used?

Answer 1

Answer: Cluster sampling.

Step-by-step explanation:

• Cluster sampling is a sampling technique in statistics in which the  researcher splits the entire population into different groups called clusters.

• After that he randomly select a sample from the clusters from the population and survey all elements of sampled clusters.

• Researcher performs his analysis on data from the sampled clusters.

In the given situation Greyhound Lines randomly selects 90 buses during a certain week and surveys all passengers on the buses.

Here, week= Cluster

Buses = Elements

Therefore , the type of sampling is​ used = Cluster sampling.