Wind-energy capacities in a country are shown in the table for various years. Three students are to find a linear model to describe the situation. Student A uses the data for 2011 and 2012, Student B uses the data for 2010 and 2013, and Student C uses the data for 2012 and 2013. Which student made the best choice of points? Explain. Country Wind-Energy Capacities Years Capacities (gigawatts) 25.4 2008 2009 2010 2011 2012 2013 2014 2015 34.9 40.2 46.9 60.0 61.1 65.9 74.5 A. Student A made the best choice of points because the rest of the data points are equally distributed to both sides of the line containing the points (2011,46.9) and (2012,60.0). B. Student B made the best choice of points because the line containing the points (2010,40.2) and (2013,61.1) comes close to the rest of the data points. OC. Student A made the best choice of points because the line containing the points (2012,60.0) and (2013,61.1) comes close to the rest of the data points. OD. Student C made the best choice of points because the rest of the data points are spread around the line containing the points (2012,60.0) and (2013,61.1). OE. Student A made the best choice of points because the line containing the points (2011,46.9) and (2012,60.0) comes close to the rest of the data points. OF. Student B made the best choice of points because the line containing the points (2010.40.2) and (2013,61.1)
Wind-energy capacities in a country are shown in the table for various years. Three students are to find a linear model to describe the situation. Student A uses the data for 2011 and 2012, Student B uses the data for 2010 and 2013, and Student C uses the data for 2012 and 2013. Which student made the best choice of points? Explain. Country Wind-Energy Capacities Years Capacities (gigawatts) 25.4 2008 2009 2010 2011 2012 2013 2014 2015 34.9 40.2 46.9 60.0 61.1 65.9 74.5 A. Student A made the best choice of points because the rest of the data points are equally distributed to both sides of the line containing the points (2011,46.9) and (2012,60.0). B. Student B made the best choice of points because the line containing the points (2010,40.2) and (2013,61.1) comes close to the rest of the data points. OC. Student A made the best choice of points because the line containing the points (2012,60.0) and (2013,61.1) comes close to the rest of the data points. OD. Student C made the best choice of points because the rest of the data points are spread around the line containing the points (2012,60.0) and (2013,61.1). OE. Student A made the best choice of points because the line containing the points (2011,46.9) and (2012,60.0) comes close to the rest of the data points. OF. Student B made the best choice of points because the line containing the points (2010.40.2) and (2013,61.1)
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Wind-energy capacities in a country are shown in the
table for various years. Three students are to find a linear
model to describe the situation. Student A uses the data
for 2011 and 2012, Student B uses the data for 2010
and 2013, and Student C uses the data for 2012 and
2013. Which student made the best choice of points?
Explain.
CELE
Country Wind-Energy Capacities
Years
2008
2009
2010
2011
2012
2013
2014
2015
Capacities
(gigawatts)
25.4
34.9
40.2
46.9
60.0
61.1
65.9
74.5
OA. Student A made the best choice of points because the rest of the data points are equally distributed to both
sides of the line containing the points (2011,46.9) and (2012,60.0).
OB. Student B made the best choice of points because the line containing the points (2010,40.2) and (2013,61.1)
comes close to the rest of the data points.
C. Student A made the best choice of points because the line containing the points (2012,60.0) and (2013,61.1)
comes close to the rest of the data points.
OD. Student C made the best choice of points because the rest of the data points are spread around the line
containing the points (2012,60.0) and (2013,61.1).
OE. Student A made the best choice of points because the line containing the points (2011,46.9) and (2012,60.0)
comes close to the rest of the data points.
OF. Student B made the best choice of points because the line containing the points (2010.40.2) and (2013,61.1)
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