The following time series shows the sales of a particular product over the past 12 months. Month Sales 1 105 2 135 120 4 105 5 90 6. 120 7 145 8 140 9 100 10 80 11 100 12 110 (a) Construct a time series plot. 1601 160 - 160- 140- 120- 100- 140- 140 120 120 100- 100- 80 80 80 60 40 60 60 40 40 20 20 20 0 1 2 3 4 5 6 7 8 9 10 11 12 13 0 1 2 3 4 5 6 7 8 9 10 11 12 13 0 1 2 3 4 5 6 7 89 10 11 12 13 Month Month Month
The following time series shows the sales of a particular product over the past 12 months. Month Sales 1 105 2 135 120 4 105 5 90 6. 120 7 145 8 140 9 100 10 80 11 100 12 110 (a) Construct a time series plot. 1601 160 - 160- 140- 120- 100- 140- 140 120 120 100- 100- 80 80 80 60 40 60 60 40 40 20 20 20 0 1 2 3 4 5 6 7 8 9 10 11 12 13 0 1 2 3 4 5 6 7 8 9 10 11 12 13 0 1 2 3 4 5 6 7 89 10 11 12 13 Month Month Month
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
![(a) Construct a time series plot.
160
160
160
140
140
140
120
120
120
100
100
100-
80
80
80
60
60
60
40
40
40
20
20
20
0+
++
0-
+
++
0 1 2 3 4 5 6 7 8
9 10 11 12 13
0 1 2 3 4 5 6 7 8 9 10 11 12 13
0 1 2 3 4 5 6 7 8
9 10 11 12 13
Month
Month
Month
160
140
120
100+
80
60
40
20
0+
0 1
2 3 4
7
8 9 10 11 12 13
Month
What type of pattern exists in the data?
The data appear to follow a horizontal pattern.
The data appear to follow a cyclical pattern.
The data appear to follow a seasonal pattern.
The data appear to follow a trend pattern.
Sales](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6fccbe0e-690a-4599-ae28-c1fea38612a2%2F4365cae4-5988-4913-928c-50657604dfad%2Ffk5m7vn_processed.png&w=3840&q=75)
Transcribed Image Text:(a) Construct a time series plot.
160
160
160
140
140
140
120
120
120
100
100
100-
80
80
80
60
60
60
40
40
40
20
20
20
0+
++
0-
+
++
0 1 2 3 4 5 6 7 8
9 10 11 12 13
0 1 2 3 4 5 6 7 8 9 10 11 12 13
0 1 2 3 4 5 6 7 8
9 10 11 12 13
Month
Month
Month
160
140
120
100+
80
60
40
20
0+
0 1
2 3 4
7
8 9 10 11 12 13
Month
What type of pattern exists in the data?
The data appear to follow a horizontal pattern.
The data appear to follow a cyclical pattern.
The data appear to follow a seasonal pattern.
The data appear to follow a trend pattern.
Sales
![The following time series shows the sales of a particular product over the past 12 months.
Month
Sales
1
105
135
3
120
4
105
90
6
120
7
145
8
140
9.
100
10
80
11
100
12
110
(a) Construct a time series plot.
160
160
160
140
140-
140-
120-
120-
120+
100
100
100
80
80
80
60
60
60
40
40
40
20
20
20
0+
+
0 1 2
3 4 5 6 7 8 9 10 11 12 13
0 1 2
3
4 5 6 7
8
9 10 11 12 13
0 1 2 3 4 5 6 7 8
9 10 11 12 13
Month
Month
Month
160 T
Sales](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6fccbe0e-690a-4599-ae28-c1fea38612a2%2F4365cae4-5988-4913-928c-50657604dfad%2Fofoirh_processed.png&w=3840&q=75)
Transcribed Image Text:The following time series shows the sales of a particular product over the past 12 months.
Month
Sales
1
105
135
3
120
4
105
90
6
120
7
145
8
140
9.
100
10
80
11
100
12
110
(a) Construct a time series plot.
160
160
160
140
140-
140-
120-
120-
120+
100
100
100
80
80
80
60
60
60
40
40
40
20
20
20
0+
+
0 1 2
3 4 5 6 7 8 9 10 11 12 13
0 1 2
3
4 5 6 7
8
9 10 11 12 13
0 1 2 3 4 5 6 7 8
9 10 11 12 13
Month
Month
Month
160 T
Sales
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