Mr. Lu's math class surveyed the entire sixth grade about the number of siblings each student had. They made a circle graph to present the results.
Survey Results
No Siblings
Only Brothers
Both Brothers
and Sisters
Only Sisters
Which conclusion is supported by the data?
A More students have only brothers than
have both brothers and sisters.
B The number of students with only brothers
equals the number of students with
only sisters.
About 50% of students in grade 6 have no
siblings.
D About 50% of the student body has a sister.