a filmmaker uploaded a short film to the internet. the filmmaker selected every 20th viewer to survey. which…

a filmmaker uploaded a short film to the internet. the filmmaker selected every 20th viewer to survey. which sampling technique did the filmmaker use?\na. cluster sampling\nb. systematic sampling\nc. convenience sampling\nd. simple random sampling
Answer
Answer:
B. systematic sampling
Brief Explanations:
Systematic sampling selects elements at fixed intervals from an ordered population. Here, every 20th viewer is selected, which fits the definition of systematic sampling.