Find the equation of the regression line. Round the coefficients to at least three decimal places. y′=a+bx a= b= Find the cost of gasoline when oil is $59 a barrel. Round the answer to at least three decimal places. When oil is$59 a barrel ,gas costs how much per gallon? $?
Find the equation of the regression line. Round the coefficients to at least three decimal places. y′=a+bx a= b= Find the cost of gasoline when oil is $59 a barrel. Round the answer to at least three decimal places. When oil is$59 a barrel ,gas costs how much per gallon? $?
Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
1st Edition
ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
Publisher:HOUGHTON MIFFLIN HARCOURT
Chapter4: Writing Linear Equations
Section: Chapter Questions
Problem 11CT
Related questions
Question
Oil and Gas Prices The average gasoline price per gallon (in cities) and the cost of a barrel of oil are shown below for a random selection of weeks in 2015.
Oil ($) | Gasoline ($) |
---|---|
43.57
|
2.450
|
40.54
|
2.547
|
53.69
|
2.794
|
41.85
|
2.622
|
86.03
|
3.103
|
55.35
|
2.604
|
The correlation coefficient for the data is
r=0.918
a=0.05
|
|
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Follow-up Questions
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Follow-up Question
Find the cost of gasoline when oil is
$62
|
|
Whenoilis$62abarrel,gascosts$pergallon.
|
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