EEK 2 5 7 9. ALLS 50 35 25 40 45 35 20 30 35 EEK 13 14 15 16 17 18 19 20 21 ALLS 55 35 25 55 55 40 35 60 75 a) Compute the exponentially smoothed forecast of calls for each week. Assur of 50 calls in the first week, and use alpha = 0.2. What is the forecast for w b) Reforecast each period using alpha = 0.6. c) Actual calls during week 25 were 85. Calculate tracking signal for each pe 6. 4. 3. 1.
EEK 2 5 7 9. ALLS 50 35 25 40 45 35 20 30 35 EEK 13 14 15 16 17 18 19 20 21 ALLS 55 35 25 55 55 40 35 60 75 a) Compute the exponentially smoothed forecast of calls for each week. Assur of 50 calls in the first week, and use alpha = 0.2. What is the forecast for w b) Reforecast each period using alpha = 0.6. c) Actual calls during week 25 were 85. Calculate tracking signal for each pe 6. 4. 3. 1.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
![Q1) Emergency calls to the 911 system of Durham, North Carolina, for the past 24 weeks are shown in
the following table:
WEEK
1
4
5
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
a) Compute the exponentially smoothed forecast of calls for each week. Assume an initial forecast
of 50 calls in the first week, and use alpha = 0.2. What is the forecast for week 25?
b) Reforecast each period using alpha = 0.6.
c) Actual calls during week 25 were 85. Calculate tracking signal for each period.
3.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F98d10fe8-67cb-4295-a462-733844ecdd08%2Faf9e9840-348f-4263-8da9-009b1ef3089f%2Futiw2ch_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Q1) Emergency calls to the 911 system of Durham, North Carolina, for the past 24 weeks are shown in
the following table:
WEEK
1
4
5
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
a) Compute the exponentially smoothed forecast of calls for each week. Assume an initial forecast
of 50 calls in the first week, and use alpha = 0.2. What is the forecast for week 25?
b) Reforecast each period using alpha = 0.6.
c) Actual calls during week 25 were 85. Calculate tracking signal for each period.
3.
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