201 venue ($ billions) 1 ~ 4 5 in 9 10 (a) Construct a time-series plot. (5 billions) $20.80 $22.65 $28.32 $37.91 $50.18 $54.50 $66.00 $73.99 $90.27 $110.86 ual revenue from 2008 (period 1) to 2017 (period 10) in billions of dollars venue ($ billions) venue ($ billions) Revenue ($ billions)

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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Suppose the following data shows a company's annual revenue from 2008 (period 1) to 2017 (period 10) in billions of dollars.
Annual Revenue
($ billions)
$20.80
Year Period
Annual Revenue ($ billions)
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
120
100-
80
60
40
20
0
1
0
2
3
4
(a) Construct a time-series plot.
5
6
7
8
9
10
1 2 3
$22.65
$28.32
$37.91
$50.18
$54.50
$66.00
$73.99
$90.27
$110.86
4 5 6
Period
7
8
9 10 11
What type of pattern exists?
O The time series plot shows a horizontal pattern.
The time series plot indicates curvature in the data.
O The time series plot indicates a linear pattern.
O The time series plot shows a cyclical pattern.
Annual Revenue ($ billions)
120
100
80
60
40
20
0-
0
+
1
1 2
3
4
5
Period
6
(b) Develop a quadratic trend equation. (Round your numerical values to four decimal places.)
T₂ =
7
8
9 10 11
120
100+
80
60
NK
40
20
0
0 1 2 3 4 4 5 6 7 8 9 10 11
1 2 3 4 5 6 7 8 9 10 11
Ⓡ✓
120-
100+
80
60
40
20
0+ +
Period
Period
Transcribed Image Text:Suppose the following data shows a company's annual revenue from 2008 (period 1) to 2017 (period 10) in billions of dollars. Annual Revenue ($ billions) $20.80 Year Period Annual Revenue ($ billions) 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 120 100- 80 60 40 20 0 1 0 2 3 4 (a) Construct a time-series plot. 5 6 7 8 9 10 1 2 3 $22.65 $28.32 $37.91 $50.18 $54.50 $66.00 $73.99 $90.27 $110.86 4 5 6 Period 7 8 9 10 11 What type of pattern exists? O The time series plot shows a horizontal pattern. The time series plot indicates curvature in the data. O The time series plot indicates a linear pattern. O The time series plot shows a cyclical pattern. Annual Revenue ($ billions) 120 100 80 60 40 20 0- 0 + 1 1 2 3 4 5 Period 6 (b) Develop a quadratic trend equation. (Round your numerical values to four decimal places.) T₂ = 7 8 9 10 11 120 100+ 80 60 NK 40 20 0 0 1 2 3 4 4 5 6 7 8 9 10 11 1 2 3 4 5 6 7 8 9 10 11 Ⓡ✓ 120- 100+ 80 60 40 20 0+ + Period Period
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