AP Exam Scores 2013
In the sortable table below, click on the column title to organize the table by that column's values.
|Subject||total tests||mean||stdev||# 3 or higher||% 3 or higher|
|Calc BC Sub||104,483||4.12||1.24||91,094||87.2|
Offered in many high schools, Advanced Placement programs expose students to college-level material.The College Board administers Advanced Placement Exams in the spring of each school year. Students earning a score of 3 or higher (out of a maximum of 5) on AP exams can earn college credit. The distribution of individual AP test scores in a single subject is bell-shaped.
The College Board describes student readiness to progress to the next course in the course sequence based on AP exam scores as follows:
5 = extremely well qualified
4 = well qualified
3 = qualified
2 = possibly qualified
1 = no recommendation
A score of 3 is considered a "passing" grade.
Suppose an additional group of students takes the AP Biology exam in 2013 and all students earn a score of 5. These score are added to the previous scores in the table above. How many scores of 5 need to be added to the previous scores in order for the new mean to exceed 3?