=+11.13 Policy Application: Determining Optimal Class Size: Public policy makers are often pressured to reduce class size in public schools in order to raise student achievement.

A. One way to model the production process for student achievement is to view the “teacher/student”

ratio as the input. For purposes of this problem, let t be defined as the number of teachers per 1,000 students; that is, t 5 20 means there are 20 teachers per 1,000 students. Class size in a school of 1,000 students is then equal to 1000/t.