A local university is considering changes to its class structure in an effort to increase professor productivity. The old schedule had each professor teaching 5 classes per week, with each class meeting an hour per day on Monday, Wednesday, and Friday. Each class contained 20 students. The new schedule has each professor teaching only 3 classes, but each class meets daily (Mon.-Fri.) for an hour. New classes contain 50 students.
a. Calculate the labor productivity for the initial situation (students/hour).
b. Calculate the labor productivity for the schedule change (students/hour).
c. What is the change in productivity?

Initial Labour productivity = 6.67 students / hour

New Labour productivity = 10 students / hour

Change in labour productivity = 3.33 students / hour increase

Explanation:

5 classes of an hour each, 3 days a week. So, teaching hours : 5 x 3 = 15

Number of students: 20 students per class. So, total students = 20 x 5 = 100

Labour Productivity : Students / Hour = 100 / 15 = 6.67 students

3 classes of an hour each, 5 days a week. So, teaching hours = 3 x 5 = 15

Number of students: 50 students per class. So, total students = 3 x 50 = 150

Labour productivity : Student / Hour = 150 / 15 = 10 students

10 - 6.67 = 3.33 students

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