A researcher posts a radio advertisement offering $35 in exchange for participation in a short study. The researcher accepts the first eight

Question

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.

in progress 0
Gia Bảo 3 years 2021-08-19T03:57:12+00:00 1 Answers 8 views 0

Answers ( )

    0
    2021-08-19T03:58:19+00:00

    Answer:

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

Leave an answer

Browse

Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )