6. Gerard wants to determine if 5th graders are more likely than 6th graders to like
electronic music. How should Gerard collect his sample?
a. Gerard should ask any 100 5th graders at the school
b. Gerard should go to an after-school dance party and ask 100 students there
c. Gerard should ask any 50 5th graders and any 50 6th graders at the school
d. Gerard should ask any students at the school but not ask their grade