Of the students admitted to a leading university, approximately 2,500 attended public high schools, while 2,700 attended private high schools. From this statistic, it is clear that attending a private high school gave applicants only a slight edge in gaining admission to the university.
Which of the following activities, if conducted, would help determine the veracity of the conclusion drawn above?
A. Counting the number of students from private high schools admitted to universities across the nation.
B. Expressing the difference between the number of students admitted from public schools and the number of students admitted from private schools as a percentage of the total number of students admitted.
C. Separating admissions influenced by family donations to the university from other admissions.
D. Comparing the admission rate per thousand applicants from each group rather than comparing total numbers of admitted students.
E. Comparing admissions of public school applicants influenced by family donations to admissions of private school applicants influenced by athletic talent.