Multiple Choice
A poll about the effects of marijuana legalization questioned 1025 Denver residents and 472 Colorado citizens from outside Denver. The design of the sample chose separate samples from the two groups and planned to interview more Denver residents than other Coloradans. This is a:
A) systematic random sample.
B) census.
C) stratified random sample.
D) simple random sample.
Correct Answer:
Verified
Correct Answer:
Verified
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