Professor Z needs to allocate time among several tasks next week to include time for students' appointments.Thus,he needs to forecast the number of students who will seek appointments.He has gathered the following data:
Week # of students
6 weeks ago 83
5 weeks ago 110
4 weeks ago 95
3 weeks ago 80
2 weeks ago 65
Last week 50
-What is the forecast for this year using exponential smoothing with $\alpha$ = 0 2,if the forecast for two weeks ago was 90?
A)49
B)50
C)52
D)65
E)78

Question

Professor Z needs to allocate time among several tasks next week to include time for students' appointments.Thus,he needs to forecast the number of students who will seek appointments.He has gathered the following data:
Week # of students
6 weeks ago 83
5 weeks ago 110
4 weeks ago 95
3 weeks ago 80
2 weeks ago 65
Last week 50
-What is the forecast for this year using exponential smoothing with $\alpha$ = 0 2,if the forecast for two weeks ago was 90?
A)49 
B)50 
C)52 
D)65 
E)78

Quizplus · Accepted Answer

The exponential smoothing formula is: $ F_t = \alpha \times A_{t-1} + (1-\alpha) \times F_{t-1} $. For last week: $ F_{last} = 0.2 \times 65 + 0.8 \times 90 = 78 $.

Professor Z Needs to Allocate Time Among Several Tasks Next α\alphaα

Professor Z Needs to Allocate Time Among Several Tasks Next $\alpha$