A professor of mathematics wants to study how the students in his college perceive the subject. He walks into the college cafeteria and starts asking the students present there if they like mathematics. Which sampling technique is used by the professor in this scenario?

A) Cluster sampling
B) Stratified random sampling
C) Haphazard sampling
D) Simple random sampling

Haphazard Sampling

A non-systematic and random method of selecting samples, lacking any specific structure or plan.

Cluster Sampling

A probability sampling method in which existing groups or geographic areas, called clusters, are identified. Clusters are randomly sampled and then everyone in the selected clusters participates in the study.

College Cafeteria

A dining establishment located within a college that provides meals to students, faculty, and sometimes the public.