4. The chairperson of the department of management at State University wants to forecast the number of students who will enroll in production and operations management (POM) next semester to determine how many sections to schedule. The chair has accumulated the following enrollment data for the past eight semesters: Students Enrolled in POM Semester 1 2 3 4 5 6 7 8 00 400 450 350 420 500 575 490 650 a. Compute a three-semester moving average forecast for semesters 4 through 9. b. Compute the exponentially smoothed forecast (a = .20) for the enrollment data. c. Compare the two forecasts by using MAD, and indicate the more accurate of the two.

Fig: 1