The manager of an auto dealership would like to develop a model the fuel consumption of various car models based on engine size. The data is presented below. Manufacturer Engine Size (litre) Fuel Consumption (litres/100km,city driving) Hyundai Accent 1.5 8.9 Toyota Echo 1.5 7.1 Hyundai Accent 1.6 8.9 Kia rio 1.6 9.3 Mazda Protege 1.6 9.3 Honda Civic 1.7 8.1 Kia Spectra 1.8 10.9 Nissan Sentra 1.8 8.3 Pontiac Vibe 1.8 8.3 Toyota Corolla 1.8 8.1 Dodge SX 2.0 2 9.3 Ford Focus 2 8.9 Hyundai Elantra 2 9.6 Mazda Protege/proteges 2 9.9 Mitsubishi Lancer 2 9.7 Suzuki Aerio 2 9.1 Volkswagen Golf 2 10.1 Volkswagen Jetta 2 10.1 Chevrolet Cavalier 2.2 10 Oldsmobile Alero 2.2 10.1 Pontiac Grand AM 2.2 10 Saturn Ion 2.2 9.9 Saturn L200 2.2 10.1 Chrysler Sebring 2.4 10.6 Honda Accord 2.4 9.6 Hyundai Sonata 2.4 10.9 Kia Magentis 2.4 10.9 Mitsubishi Galant 2.4 11.3 Toyota Camry 2.4 10.2 Nissan Altima 2.5 10.4 Nissan Sentra 2.5 10.4 Chrysler Sebring 2.7 11.2 Hyundai Sonata 2.7 12.3 Kia Magentis 2.7 11.7 Ford Taurus 3 11.8 Honda Accord 3 11.2 Confirm the intercept, slope and correlation coefficient by computing them manually.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
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Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 2AGP
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The manager of an auto dealership would like to develop a model the fuel consumption of various car models based on engine size. The data is presented below.

Manufacturer Engine Size (litre) Fuel Consumption (litres/100km,city driving)
Hyundai Accent 1.5 8.9
Toyota Echo 1.5 7.1
Hyundai Accent 1.6 8.9
Kia rio 1.6 9.3
Mazda Protege 1.6 9.3
Honda Civic 1.7 8.1
Kia Spectra 1.8 10.9
Nissan Sentra 1.8 8.3
Pontiac Vibe 1.8 8.3
Toyota Corolla 1.8 8.1
Dodge SX 2.0 2 9.3
Ford Focus 2 8.9
Hyundai Elantra 2 9.6
Mazda Protege/proteges 2 9.9
Mitsubishi Lancer 2 9.7
Suzuki Aerio 2 9.1
Volkswagen Golf 2 10.1
Volkswagen Jetta 2 10.1
Chevrolet Cavalier 2.2 10
Oldsmobile Alero 2.2 10.1
Pontiac Grand AM 2.2 10
Saturn Ion 2.2 9.9
Saturn L200 2.2 10.1
Chrysler Sebring 2.4 10.6
Honda Accord 2.4 9.6
Hyundai Sonata 2.4 10.9
Kia Magentis 2.4 10.9
Mitsubishi Galant 2.4 11.3
Toyota Camry 2.4 10.2
Nissan Altima 2.5 10.4
Nissan Sentra 2.5 10.4
Chrysler Sebring 2.7 11.2
Hyundai Sonata 2.7 12.3
Kia Magentis 2.7 11.7
Ford Taurus 3 11.8
Honda Accord 3 11.2

Confirm the intercept, slope and correlation coefficient by computing them manually.

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