Respuesta :
the answer is b.
a is biased because it is only one class answering.
c is wrong because the school is supposed to survey children.
d is biased because children who normally purchase vegetables are more likely to like ones that other students don’t like.
a is biased because it is only one class answering.
c is wrong because the school is supposed to survey children.
d is biased because children who normally purchase vegetables are more likely to like ones that other students don’t like.