Question

inspectors for a hospital chain with multiple locations randomly select some of their locations for a cleanliness check of their operating rooms. the inspectors check every operating room in the hospitals that were chosen. what type of sample is this? choose 1 answer: a simple random sample b stratified random sample c cluster random sample d systematic random sample e none of the above

Explanation:

In cluster random sampling, the population is divided into clusters (here, hospital locations are clusters), and some clusters are randomly selected. Then all elements within the selected clusters (all operating - rooms in the selected hospitals) are included in the sample. This matches the described sampling method.

Answer:

C. Cluster random sample