The chairperson of the department of management at Enormous State U wants to forecast the number of students who will enroll in production and operations management each semester. The chair has accumulated the following enrollment data for the past 8 semesters:

Semester Students enrolled

1 400

2 450

3 350

4 420

5 500

6 575

7 490

8 650

f-Calculate a 2-period moving average for students enrolled for all the periods you can. Calculate MAE from this. Show all work.

g-Calculate the exponential smoothing forecast with alpha = .1 for students enrolled for all periods you can. Calculate MAE from this. Show all work.

h-Which method is better, based on MAE?