The president of Boston University wants some of the students to complete a written survey.
a. If each class is treated as a cluster, describe how cluster sampling could be accomplished.
b. If each ethnic group is treated as a strata describe how stratified sampling could be accomplished.
c. If the president wants the survey to be completed with a data collector present, which of the sampling methods described in parts (a) and (b) would be easier? Explain.
d. Assume the president wants to find out if students feel like they belong at the college. If the sample size is small, which sampling method would probably give better results? Explain.