solution

42. The President of Greene and Rich College and the Dean of the School of Business Administration wish to forecast the enrollments for the Fall Semester. The carollment is measured in Full Time Equivalents (FTE’s) which represents the number of full-time students. This is the equivalent to the existing mixture of full-time and part-time students. Data representing the Fall enrollment for the past ten years is given below: Time (t) Enrollment Nalve NA 1 2 3 4 5 6 7 8 9 10 11 1984 2119 2188 2213 2268 2313 2424 2453 2538 2629 3 Period 6 Period Unear Moving Moving Trend Averase Average NA N/A N/A N/A N/A N/A N/A N/A N/A 42.1 Make a naive forecast for Year 11; [1] 42.2 Make a 3 year moving average forecast for Year 11; 12) 42.3 Maice a 6 year moving average forecast for Year 11; 12) 424 Based on your calculations above, which forecast would you use for planning proposes for Year 11 and why? [3 ] Page 9 42.5 Below is a scattetplot of the FTE enrollments: 250 30 2450 1400 20 120 2015 hes 100 42.5 Describe any trend you observe in the plotted data. [2] 42.6 If enrollment = a + b = 1954.9 +65.2., what would be your forecast for Year 11; [2] 42.7 Based on all four of your calculations above, which forecast would you use for planning proposes for Year 11 and why? [2]