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Veronika [31]
4 years ago
5

Researchers call random radio listeners on the phone to rank five different popular songs. This research helps radio stations de

cide which songs to play more often. This method of gathering data is classified as
a census.
a sample survey.
an experiment.
an observational study.
Biology
1 answer:
Nonamiya [84]4 years ago
4 0
I would go with sample survey
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