enteeced by thecontrolledrd. A courtit is statisticzero. Here, body weightmeaning.ne courtician, whowith datans to pre-f absentee16.3 + 0.09(150)41%3DPack weightvoting-Marks's= 29.8 poundsfrom the21ed that hepre absen-mson. In025 morean Marks.predict this student's backpack weight.gives two points. Plot them and draw the line through themtersFigure 4number oplayer cou4.27 Predicting gas usage In Example 4.7 (page 170), we examined th.shown in Figure 4.18 is y = 1425 – 19.87x.(a) Identify the slope of the line and explain what it means in this setting(b) Identify the y intercept of the line and explain what it means in this setting(c) Use the regression line to predict the amount of natural gas Joan will use inmonth with an average temperature of 30°F.

a) From the given information, The regression equation is, y=1425-19.87x. Here, the value of slope…

4.27 Predicting gas usage In Example 4.7 (page 170), we examined the relationship between the average monthly temperature and the amount of natura gas consumed in Joan's midwestern home. The equation of the ieast-squares line shown in Figure 4.18 is y = 1425 - 19.87x. (a) Identify the slope of the line and explain what it means in this setting (b) Identify the y intercept of the line and explain what it means in this setting (c) Use the regression line to predict the amount of natural gas Joan will use ins month with an average temperature of 30°F. %3D

4.27 Predicting gas usage In Example 4.7 (page 170), we examined the relationship between the average monthly temperature and the amount of natura gas consumed in Joan's midwestern home. The equation of the ieast-squares line shown in Figure 4.18 is y = 1425 - 19.87x. (a) Identify the slope of the line and explain what it means in this setting (b) Identify the y intercept of the line and explain what it means in this setting (c) Use the regression line to predict the amount of natural gas Joan will use ins month with an average temperature of 30°F. %3D

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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Concept explainers

Vertices Of An Ellipse

In the study of the conic section of the geometry, An ellipse is a plane curve surrounding two focal points, or foci where the set of all locus of points in the plane has their sum of the distances to the two foci is constant. On the ellipse curve, it is the intersection point of the main axis. In an ellipse graph, the center of the axis is the midpoint of the line segment connecting the foci. The major axis is the line section that runs through the ellipse's foci, while the minor axis runs through the middle and is perpendicular to the major axis.. The ellipse has two endpoints on the major axis which are known as the vertices (in plural), vertex in the singular. The equation of the major axis is 2a, the equation of the minor is 2b and the distance between the major axis and minor axis is 2c. The semi-major axis has a length of a and the semi-minor axis has a length of b. The ellipse's vertices are determined by the elliptical orbit's equation and graph.

Question

entee
ced by the
controlled
rd. A court
it is statistic
zero. Here, body weight
meaning.
ne court
ician, who
with data
ns to pre-
f absentee
16.3 + 0.09(150)
41
%3D
Pack weight
voting-
Marks's
= 29.8 pounds
from the
21
ed that he
pre absen-
mson. In
025 more
an Marks.
predict this student's backpack weight.
gives two points. Plot them and draw the line through them
ters
Figure 4
number o
player cou
4.27 Predicting gas usage In Example 4.7 (page 170), we examined th.
shown in Figure 4.18 is y = 1425 – 19.87x.
(a) Identify the slope of the line and explain what it means in this setting
(b) Identify the y intercept of the line and explain what it means in this setting
(c) Use the regression line to predict the amount of natural gas Joan will use in
month with an average temperature of 30°F.

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