Name the sampling method that will best represent the whole population in each situation. Explain your answer.
3. Student satisfaction with the middle school cafeteria.
Method A: Survey 40 students in two seventh-grade math classes.
72 percent are satisfied with the food in the cafeteria.
Method B: Survey 65 students from a list of all students in the school.
85 percent are satisfied with the food in the cafeteria.
Method best represents the whole population of the school.