I propose to study the relationship between self-esteem and reading skill levels among students at Clairmont High School. At Cla
irmont, about 14 percent of the student body are seniors, 24 percent are juniors, 30 percent are sophomores, and 32 percent are freshmen. What kind of sampling approach will I be most likely to use?
a, because exercise doesn't just aid the prevention of certain diseases, it helps prevent many diseases. i would've chosen d if it wasn't so specific but a is the correct answer.