skmc1985 skmc1985

23-03-2018
Mathematics

contestada

PLEASE ITS MY LAST QUESTION IM ALMOST DONE HELPPP

A researcher posts a newspaper advertisement offering $10 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?

It is not a valid sample because it is only a short study.
It is a valid sample because money is offered to participants.
It is a valid sample because the first 10 people were selected to participate.
It is not a valid sample because it is not a random sample of the population.

Respuesta :

MATH117821 MATH117821

23-03-2018

They took $10 from 10 people that saw and wanted to try the ad.

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megamoozoo megamoozoo

23-03-2018

Pretty sure it is C because the first 10 are random people, it is not D. A has nothing to do with it and b also has nothing to do with it.

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