Mathematics, 07.05.2021 23:20 Jack2019

A researcher posts 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?
O it is a valid sample because the first eight people were selected to participate.
© It is not valid sample because it Is not a random sample of the population.
© mtis a valid sample because money was offered to participants
© it is not a valid sample because it is only short study.

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