Multiple Choice
A researcher is interested in studying a nationwide representative sample of the United States. She randomly chooses places to study using census tracts. She then randomly samples within each census tract from among the households within those tracts. What sampling method did this researcher use?
A) Stratified random
B) One-stage cluster
C) Two-stage cluster
D) Purposive
Correct Answer:
Verified
Correct Answer:
Verified
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