A would be the right choice i think not really enough information.
Answer: For student who chose art, the number of grade 8 students was at least 100% greater than the number of grade 7 students
Explanation:
Grade 7 has about 7 students
Grade 8 has about 17 students
If you added 100% of the grade 7 students to that same art class you would only have 14 students, grade 8 still has more.
B. Because all of the recorded data shows that they are more likely to have an average of two pants instead of three too four