math quesion from unit 5 7th grade

Question

Mr. Carter’s math class wants to know the favorite spectator sport of the students at their high school. Listed are 4 sampling methods. Which sampling method would produce the most accurate results? • Kenneth stands at the entrance to the football field and surveys each student as they enter the field for a football game. • Lynn stands at the entrance to the school in the morning and surveys the first 20 students to arrive at school. • Maleka uses a list of all students at the high school, chooses every tenth name, and then surveys that student. • Tony surveys all the students in his classes. A Kenneth’s method B Lynn’s method C Maleka’s method D Tony’s method

Answer 1

selecting every 10th student in the school

that is the stratified sampling strategy and is known to be unbiased