Question

in a study, the sample is chosen by asking our 40 closest friends. what is the sampling method? simple random systematic stratified cluster convenience

Explanation:

Convenience sampling involves selecting samples that are easily accessible. Asking 40 closest friends is a form of convenience sampling as they are readily - available. In simple random sampling, every member of the population has an equal chance of being selected. Systematic sampling has a fixed sampling interval. Stratified sampling divides the population into strata and samples from each stratum. Cluster sampling divides the population into clusters and samples some of the clusters.

Answer:

Convenience