Respuesta :
Jane is the only who is asking the sixth grade only
So I would say A
Also I just answered this question on my own and I got it right :D
Kevin student's survey is most likely not biased.
What is a biased sample?
The sampling method is said to be biased of some members of a population are systematically more likely to be selected in a sample than others.
Now, in this case, we are told that four students did a survey to find the pizza topping sixth-grade students prefer.
The survey which is least likely to be biased is the one from the youngest group of students.
The third-grade student's survey is least likely to be biased because younger children are less likely to lie.
On the other hand, the older the students the greater their awareness is of the ability to misrepresent or completely lie. So, the correct answer is Kevin.
Hence, Kevin student's survey is most likely not biased.
Learn more about biased samples here;
https://brainly.com/question/4388760
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