Fizzy Cola Company created a sample containing 25 of their r…
Fizzy Cola Company created a sample containing 25 of their regular cola drinkers, 25 of their diet cola drinkers, and 25 of their diet caffeine-free drinkers. They created the sample by stopping people on the street and continuing until they had spoken to enough people to meet the requirement. Such a sample is a nonprobability cluster sample.
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