Question

A sample consists of all of the sophmores at a local college. The sampling technique used is:
1) Cluster
2) Convenience
3) Stratified
4) Random
5) Systematic

Answer 1

Cluster since the population is divided by class

Answer 2

cluster and strat are almost alike; except for cluster pulls all of the groups and strat pulls sample from each group

Answer 3

Wait I'm doing that thing again where I pretend I know all about something that I learned in class 5 years ago.