Mathematics, 29.03.2021 03:10 avrihalverson

A researcher posts an online advertisement offering $25 in exchange for participation in a short study. The researcher accepts the first 10 people who respond to the advertisement. Which of the following statements is true about the sample? (1 point) Question 3 options:

1)

It is not a valid sample because it is only a short study.

2)

It is a valid sample because money was offered to participants.

3)

It is a valid sample because the first 10 people were selected to participate.

4)

It is not a valid sample because it is not a random sample of the population.

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A researcher posts an online advertisement offering $25 in exchange for participation in a short stu...

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