Question

What sampling method did you use to survey the opinions of the residential students at a university?

1) Simple random sampling
2) Stratified random sampling
3) Cluster sampling
4) Systematic sampling

Answer 1

a. Stratified random sampling b. Convenience sampling c. Stratified sampling

Step-by-step explanation:

a. The sampling method used here is stratified random sampling. The soccer coach divided the boys into age groups and then selected players from each group.

b. The sampling method used here is convenience sampling. The pollster interviewed all human resource personnel in five different high tech companies.

c. The sampling method used here is stratified sampling. The high school educational researcher divided the teachers into gender groups and then interviewed a sample of teachers from each group.