A statistical program is recommended. Suppose the following data shows a company's annual revenue from 2008 (period 1) to 2017 (period 10) in billions of dollars. Year Period Annual Revenue ($ billions) 2008 2009 2010 2011 2012 2013 2014 2015 2016 120 100- 80- 60 40 1 20- 2 3 4 5 2017 10 (a) Construct a time-series plot. 6 7 8 9 Annual Revenue ($ billions) $22.80 $24.65 $28.32 $37.91 $50.18 $54.50 $66.00 $73.99 $90.27 $110.86 0- 0 1 2 3 4 5 6 7 8 9 10 11 Period What type of pattern exists? O The time series plot shows a horizontal pattern. O The time series plot indicates a linear pattern. O The time series plot shows a cyclical pattern. The time series plot indicates curvature in the data. Annual Revenue ($ billions) 120- 100- 80+ 60 40 20 0- 0 1 2 3 4 5 6 7 8 9 10 11 Period (b) Develop a quadratic trend equation. (Round your numerical values to four decimal places.) T₂= ($ billions) 120- 100 80 60 40 20 0 0 1 2 3 4 5 6 7 8 9 10 11 Period Annual Revenue ($ billions) O ✓ 120- 100 80 60- 40+ 20- 0 0 1 2 3 34 5 6 7 8 9 10 11 Period 0
A statistical program is recommended. Suppose the following data shows a company's annual revenue from 2008 (period 1) to 2017 (period 10) in billions of dollars. Year Period Annual Revenue ($ billions) 2008 2009 2010 2011 2012 2013 2014 2015 2016 120 100- 80- 60 40 1 20- 2 3 4 5 2017 10 (a) Construct a time-series plot. 6 7 8 9 Annual Revenue ($ billions) $22.80 $24.65 $28.32 $37.91 $50.18 $54.50 $66.00 $73.99 $90.27 $110.86 0- 0 1 2 3 4 5 6 7 8 9 10 11 Period What type of pattern exists? O The time series plot shows a horizontal pattern. O The time series plot indicates a linear pattern. O The time series plot shows a cyclical pattern. The time series plot indicates curvature in the data. Annual Revenue ($ billions) 120- 100- 80+ 60 40 20 0- 0 1 2 3 4 5 6 7 8 9 10 11 Period (b) Develop a quadratic trend equation. (Round your numerical values to four decimal places.) T₂= ($ billions) 120- 100 80 60 40 20 0 0 1 2 3 4 5 6 7 8 9 10 11 Period Annual Revenue ($ billions) O ✓ 120- 100 80 60- 40+ 20- 0 0 1 2 3 34 5 6 7 8 9 10 11 Period 0
MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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
Transcribed Image Text:A statistical program is recommended.
Suppose the following data shows a company's annual revenue from 2008 (period 1) to 2017 (period 10) in billions of dollars.
●
Year Period
2008
2009
2010
T₂=
2011
2012
2013
2014
2015
2016
2017
120
100
80-
60
40
20
1
0
2
3
3
4
(a) Construct a time-series plot.
5
6
7
9
10
Annual Revenue
($ billions)
$22.80
$24.65
$28.32
$37.91
$50.18
$54.50
$66.00
$73.99
$90.27
$110.86
01
1 2 3 4 5 6 7 8 9 10 11
Period
What type of pattern exists?
O The time series plot shows a horizontal pattern.
O The time series plot indicates a linear pattern.
O The time series plot shows a cyclical pattern.
The time series plot indicates curvature in the data.
0
120
100
80+
60
40
20-
0
0 1 2 3
5 6 7 8 9 10 11
Period
45
(b) Develop a quadratic trend equation. (Round your numerical values to four decimal places.)
120T
100
80
60
40
20+
0
01 1 2 3 4 5 6 7 8 9 10 11
Period
✔
120
100
80
60
40-
20+
0
0 1 2 3 4 5 6 7 8 9 10 11
Period
0
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