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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. O Annual Revenue ($ billions) Year Period Annual Revenue ($ billions) 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 100 80 60 40- 20- 1201 (a) Construct a time-series plot. 1201 100+ 80 60- 1 40 2 20 3 4 5 6 7 8 9 10 Annual Revenue ($ billions) $22.80 $24.65 $28.32 $37.91 $50.18 $54.50 0- 0 1 2 3 4 5 6 7 8 9 10 11 Period $66.00 $73.99 $90.27 $110.86 0- 0 1 2 3 4 5 6 7 8 9 10 11 Period What type of pattern exists? The time series plot shows a horizontal pattern. O The time series plot indicates a linear pattern. The time series plot shows a cyclical pattern. O The time series plot indicates curvature in the data. ✓ SO O @ Annual Revenue ($ billions) Annual Revenue ($ billions) 120T 100- 80- 60 40 20 0 0 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 (b) Develop a quadratic trend equation. (Round your numerical values to four decimal places.) T= 20.4207+ 1.2147t+0.7539² x n @

Suppose the following data shows a company's annual revenue from 2008 (period 1) to 2017 (period 10) in billions of dollars. O Annual Revenue ($ billions) Year Period Annual Revenue ($ billions) 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 100 80 60 40- 20- 1201 (a) Construct a time-series plot. 1201 100+ 80 60- 1 40 2 20 3 4 5 6 7 8 9 10 Annual Revenue ($ billions) $22.80 $24.65 $28.32 $37.91 $50.18 $54.50 0- 0 1 2 3 4 5 6 7 8 9 10 11 Period $66.00 $73.99 $90.27 $110.86 0- 0 1 2 3 4 5 6 7 8 9 10 11 Period What type of pattern exists? The time series plot shows a horizontal pattern. O The time series plot indicates a linear pattern. The time series plot shows a cyclical pattern. O The time series plot indicates curvature in the data. ✓ SO O @ Annual Revenue ($ billions) Annual Revenue ($ billions) 120T 100- 80- 60 40 20 0 0 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 (b) Develop a quadratic trend equation. (Round your numerical values to four decimal places.) T= 20.4207+ 1.2147t+0.7539² x n @

MATLAB: An Introduction with Applications
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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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) O O Annual Revenue ($ billions) Year Period Annual Revenue ($ billions) 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 120 100- 80- 60 40+ 20- (a) Construct a time-series plot. 120- 1 100- 80 60- 2 40 3 4 5 6 7 8 9 0 0 1 2 3 10 $22.80 $24.65 $28.32 $37.91 $50.18 $54.50 $66.00 $73.99 $90.27 $110.86 3 4 5 6 7 8 8 9 10 11 Period 20- 0 0 1 2 3 4 5 6 7 8 9 10 11 Period What type of pattern exists? The time series plot shows a horizontal pattern. The time series plot indicates a linear pattern. The time series plot shows a cyclical pattern. The time series plot indicates curvature in the data. 8 Annual Revenue ($ billions) Annual Revenue ($ billions) O 1201 100 80 60- 40 20- 0 01 2 3 4 5 6 7 8 7 8 9 10 11 Period 120 100 80 60 40 20+ 0- 0 + 1 2 3 4 (b) Develop a quadratic trend equation. (Round your numerical values to four decimal places.) T= 20.4207 + 1.2147t+0.7539/² x 5 6 7 8 9 10 11 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) O O Annual Revenue ($ billions) Year Period Annual Revenue ($ billions) 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 120 100- 80- 60 40+ 20- (a) Construct a time-series plot. 120- 1 100- 80 60- 2 40 3 4 5 6 7 8 9 0 0 1 2 3 10 $22.80 $24.65 $28.32 $37.91 $50.18 $54.50 $66.00 $73.99 $90.27 $110.86 3 4 5 6 7 8 8 9 10 11 Period 20- 0 0 1 2 3 4 5 6 7 8 9 10 11 Period What type of pattern exists? The time series plot shows a horizontal pattern. The time series plot indicates a linear pattern. The time series plot shows a cyclical pattern. The time series plot indicates curvature in the data. 8 Annual Revenue ($ billions) Annual Revenue ($ billions) O 1201 100 80 60- 40 20- 0 01 2 3 4 5 6 7 8 7 8 9 10 11 Period 120 100 80 60 40 20+ 0- 0 + 1 2 3 4 (b) Develop a quadratic trend equation. (Round your numerical values to four decimal places.) T= 20.4207 + 1.2147t+0.7539/² x 5 6 7 8 9 10 11 Period
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