Part 2 of 4 Points: 0 of 1 An engineer wante to determine how the weight of a ane nowered cor v affects are mil Car Weight and MPG Weight (pounds), x Miles per Gallon, y 3724 17 3780 15 2757 26 3479 18 3251 21 2917 22 3650 17 2697 23 3489 18 3752 18 Print Done -
Part 2 of 4 Points: 0 of 1 An engineer wante to determine how the weight of a ane nowered cor v affects are mil Car Weight and MPG Weight (pounds), x Miles per Gallon, y 3724 17 3780 15 2757 26 3479 18 3251 21 2917 22 3650 17 2697 23 3489 18 3752 18 Print Done -
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
An engineer wants to determine how the weight of a gas-powered car, x, affects gas mileage, y. The accompanying data represent the weights of various domestic cars and their miles per gallon in the city for the most recent model year. Complete parts (a) through (d) below.
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Part 1
(a) Find the least-squares regression line treating weight as the explanatory variable and miles per gallon as the response variable.
ModifyingAbove y with caretyequals=negative 0.00756−0.00756xplus+(44.844.8)
(Round the x coefficient to five decimal places as needed. Round the constant to one decimal place as needed.)
Part 2
(b) Interpret the slope and y-intercept, if appropriate. Choose the correct answer below and fill in any answer boxes in your choice.
(Use the answer from part a to find this answer.)
For every pound added to the weight of the car, gas mileage in the city will decrease by
enter your response here
mile(s) per gallon, on average. A weightless car will get
enter your response here
miles per gallon, on average.A weightless car will get
enter your response here
miles per gallon, on average. It is not appropriate to interpret the slope.For every pound added to the weight of the car, gas mileage in the city will decrease by
enter your response here
mile(s) per gallon, on average. It is not appropriate to interpret the y-intercept.It is not appropriate to interpret the slope or the y-intercept.
Transcribed Image Text:Part 2 of 4
Points: 0 of 1
An engineer wante to determine how the weight of a ane nowered cor v affects are mil
Car Weight and MPG
Weight
(pounds), x
Miles per
Gallon, y
3724
17
3780
15
2757
26
3479
18
3251
21
2917
22
3650
17
2697
23
3489
18
3752
18
Print
Done
-
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