Mathematics, 17.07.2020 21:01 mjwenz8018

A researcher post a magazine advertisement offering $24 in exchange for participation in a short study. The researcher excepts the first six people who respond to the advertisement. Which of the following statements is true about the sample? It is not a valid sample because it is not a random sample of the population.
It is a valid sample because the first six people were selected to participate.
It is a valid sample because money was offered to participants.
It is not a valid sample because it is only a short study

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A researcher post a magazine advertisement offering $24 in exchange for participation in a short stu...