Question

A researcher posts a mobile advertisement offering $15 in exchange for participation in a short study. The researcher accepts the first 15 people who respond to the advertisement. Which of the following statements is true about the sample?

It is not a valid sample because it is not a random sample of the population.
It is a valid sample because the first 15 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.

Answer 1

@heretohelpalways

Answer 2

I am not really sure.... @misty1212

Answer 3

Ok. Can you tag somone u htink can help @heretohelpalways

Answer 4

@Astrophysics

Answer 5

Ok. Can you tag somone u htink can help @heretohelpalways

Answer 6

@Astrophysics

Answer 7

@Teddyiswatshecallsme

Answer 8

@pooja195