Mathematics, 27.03.2021 01:00 Pointjazzyqueen602
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A researcher posts a magazine advertisement offering $30 in exchange for participation in a short study. The researcher accepts the first three people who respond to the advertisement. Which of the following statements is true about the sample? (5 points)
Group of answer choices
It is not a valid sample because it is not a random sample of the population.
It is a valid sample because the first three 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.
Answers: 1
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