A researcher polls people as they walk by on the street.What type of sample is this?Choose 1 answer:Choose 1 answer:(Choice A) Simple random sampleASimple random sample(Choice B) Stratified random sampleBStratified random sample(Choice C) Cluster random sampleCCluster random sample(Choice D) Systematic random sampleDSystematic random sample(Choice E) None of the aboveENone of the above
Question
A researcher polls people as they walk by on the street.What type of sample is this?Choose 1 answer:Choose 1 answer:(Choice A) Simple random sampleASimple random sample(Choice B) Stratified random sampleBStratified random sample(Choice C) Cluster random sampleCCluster random sample(Choice D) Systematic random sampleDSystematic random sample(Choice E) None of the aboveENone of the above
Solution
The type of sample that the researcher is using in this scenario is (Choice D) Systematic random sample. This is because the researcher is selecting individuals in a systematic way - by polling people as they walk by on the street. This is not a simple random sample, as not everyone has an equal chance of being selected (only those walking by are selected). It's also not a stratified or cluster random sample, as the individuals are not being divided into subgroups or clusters. Therefore, the best answer is Choice D.
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