Mathematics, 05.05.2020 12:53, briannabarreraswestb

A researcher posts a radio advertisement offering $35 in exchange for participation in a short study. The researcher accepts the first eight people who respond to the advertisement. Which of the following statements is true about the sample? It is a valid sample because the first eight people were selected to participate. It is not a valid sample because it is not a random sample of the population. It is a valid sample because money was offered to participants. It is not a valid sample because it is only a short study. Question 12(Multiple Choice Worth 5 points)

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A researcher posts a radio advertisement offering $35 in exchange for participation in a short study...