a filmmaker uploaded a short film to the inte...

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.