Which population would be good to survey to determine 7th grade favorite books a 10 students and one seventh grade class b five soonest from each of the 7th grade class c all 400 7th grade students d15 7th graders that set together at lunch

The population that would be best to survey to determine the 7th grade favorite books would be c) all 400 7th grade students. This ensures a larger sample size and represents the entire 7th grade population, providing a more comprehensive understanding of the favorite books among the students.