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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
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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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 $110.86 01 1 2 3 4 5 6 7 8 9 10 11 Period What type of pattern exists? O The time series plot shows a horizontal pattern. O The time series plot indicates a linear pattern. O The time series plot shows a cyclical pattern. The time series plot indicates curvature in the data. 0 120 100 80+ 60 40 20- 0 0 1 2 3 5 6 7 8 9 10 11 Period 45 (b) Develop a quadratic trend equation. (Round your numerical values to four decimal places.) 120T 100 80 60 40 20+ 0 01 1 2 3 4 5 6 7 8 9 10 11 Period ✔ 120 100 80 60 40- 20+ 0 0 1 2 3 4 5 6 7 8 9 10 11 Period 0
Transcribed Image Text:A statistical program is recommended. Suppose the following data shows a company's annual revenue from 2008 (period 1) to 2017 (period 10) in billions of dollars. ● Year Period 2008 2009 2010 T₂= 2011 2012 2013 2014 2015 2016 2017 120 100 80- 60 40 20 1 0 2 3 3 4 (a) Construct a time-series plot. 5 6 7 9 10 Annual Revenue ($ 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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