Answered: Using the 911 call data in Problem…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

Using the 911 call data in Problem 4.31, forecast calls for weeks 2 through 25 with a trend-adjusted exponential smoothing model. Assume an initial forecast for 50 calls for week 1 and an initial trend of zero. Use smoothing constants of a = .3 and b = .2. Is this model better than that of Problem 4.31? What adjustment might be useful for further improvement? (Again, assume that actual calls in week 25 were 85.) Note: Attached photo is the data in problem 4.31

WEEK
1
2
4
6.
7
8
9.
10 11
12
CALLS 50 35
25
40 45
35
20 30
35
20
15
40
WEEK 13
14
15
16
17
18
19 20
21
22
23
24
CALLS 55 35
25
55
55 40
35
60
75
50
40
65

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