We expect a car's highway gas mileage to be related to its city gas mileage (in miles per gallon, mpg). Data for all 12591259 vehicles in the government's 2019 Fuel Economy Guide give the regression line highway mpg=8.720+(0.914×city mpg)highway mpg=8.720+(0.914×city mpg) for predicting highway mileage from city mileage. (c) Find the predicted highway mileage, ?̂ ,�^, for a car that gets 1212 mpg in the city. Give your answer to three decimal places. ?̂ =�^= mpg Find the predicted highway mileage, ?̂ ,�^, for a car that gets 2222 mpg in the city. Give your answer to three decimal places. ?̂ =�^= mpg
We expect a car's highway gas mileage to be related to its city gas mileage (in miles per gallon, mpg). Data for all 12591259 vehicles in the government's 2019 Fuel Economy Guide give the regression line highway mpg=8.720+(0.914×city mpg)highway mpg=8.720+(0.914×city mpg) for predicting highway mileage from city mileage. (c) Find the predicted highway mileage, ?̂ ,�^, for a car that gets 1212 mpg in the city. Give your answer to three decimal places. ?̂ =�^= mpg Find the predicted highway mileage, ?̂ ,�^, for a car that gets 2222 mpg in the city. Give your answer to three decimal places. ?̂ =�^= mpg
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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Question
We expect a car's highway gas mileage to be related to its city gas mileage (in miles per gallon, mpg). Data for all 12591259 vehicles in the government's 2019 Fuel Economy Guide give the regression line
highway mpg=8.720+(0.914×city mpg)highway mpg=8.720+(0.914×city mpg)
for predicting highway mileage from city mileage.
(c) Find the predicted highway mileage, ?̂ ,�^, for a car that gets 1212 mpg in the city. Give your answer to three decimal places.
?̂ =�^=
mpg
Find the predicted highway mileage, ?̂ ,�^, for a car that gets 2222 mpg in the city. Give your answer to three decimal places.
?̂ =�^=
mpg
Expert Solution
Step 1
n =1259 vehicles
highway mpg=8.720+(0.914×city mpg)
let dependent variable highway mpg = y
independent variable city mpg = x
= 8.720+0.914x
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