Enrollment in a particular class for the last four semesters has been 122, 128, 100, and 155 (listed from oldest to most recent).The best forecast of enrollment next semester, based on a three-semester moving average, would be
A)116.7.
B)168.3.
C)135.0.
D)127.7.

Question

Quizplus · Accepted Answer

A three-semester moving average forecast is calculated by averaging the enrollments of the most recent three semesters: (128 + 100 + 155) / 3 = 127.7.

Enrollment in a Particular Class for the Last Four Semesters