Question

in a study, the sample is chosen by selecting a room of the house, and appraising all items in that room. what is the sampling method? simple random systematic stratified cluster convenience

Explanation:

In cluster sampling, the population is divided into groups (clusters), and a whole cluster is selected. Here, the room is a cluster, and all items in it are appraised. In simple - random sampling, individual items would be randomly selected without grouping. In systematic sampling, there is a fixed - interval selection. In stratified sampling, the population is divided into strata and samples are taken from each stratum. Convenience sampling is about choosing what is easily accessible, but the key here is the cluster concept.

Answer:

Cluster