Mrs. Newton wants to know what color t-shirt her homeroom would like to wear for Bronco Day. She tells students if they would like to choose a color, they can go to
her eclass page and take the survey. Is her method of sampling biased or
representative and why?
Biased, it is a voluntary sample
Biased, it is a simple redom sample
Representative, it is a voluntary sample
Representative, it is a simple random sample