The dean of a school of business is forecasting total student enrollment for this year (2019)’s summer session classes based on the following historical data:
1. The dean of a school of business is forecasting total student enrollment for this year (2019)’s summer session classes based on the following historical data:
| YEAR | TOTAL ENROLLMENT |
|---|---|
| y | |
| 2015 | 2,000 |
| 2016 | 2,200 |
| 2017 | 2,800 |
| 2018 | 3,000 |
a) What is this year’s forecast using a three-year simple moving average?
b) What is this year’s forecast using a three-year weighted moving average with weights of 0.5, 0.3, and 0.22
c) What is this year’s forecast using exponential smoothing with alpha=0.4, if year 2017’s smoothed forecast was 2,600?
d) What is the slope (b) of the least squares trend line for these data?
e) What is the Y-intercept (a) of the least squares trend line for these data?
f) What is this year’s forecast using the least squares trend line for these data?
