In a recent survey of students who graduated from a large public high school, nine out of ten students reported that they passed biology with a grade of seventy-five percent or higher. What further data could be produced to be sure that this information is accurate?
Answer
A
a review of the students’ school transcripts
B
a survey of students from nearby high schools
C
a consult with the students’ parents
D
an interview of students from the previous graduating class