Statistics: Correlation The table shows the relationship between the mass of a car and the amount of fuel consumed (km/liter) for some cars sold in the USA.  What is the correlation coefficient between mass and fuel consumed? Using linear regression, estimate the fuel consumption for a 2000 kg car. From the above information, what can you conclude about the relationship between the mass of a car and fuel consumption?

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.2: Arithmetic Sequences
Problem 67E
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  1. Statistics: Correlation

The table shows the relationship between the mass of a car and the amount of fuel consumed (km/liter) for some cars sold in the USA. 

  1. What is the correlation coefficient between mass and fuel consumed?
  2. Using linear regression, estimate the fuel consumption for a 2000 kg car.
  3. From the above information, what can you conclude about the relationship between the mass of a car and fuel consumption?
Mass (kg)
1260
Car
Km/liter
Toyota Corolla
Toyota Camry
Toyota Prius
Hyundai Accent
Audi A6
13.5
1450
10.9
1380
17.7
1090
13.5
1670
9.3
BMW 5-series
1730
2700
9.7
Cadillac Escalade
Nissan Versa
6.7
1070
13.1
Transcribed Image Text:Mass (kg) 1260 Car Km/liter Toyota Corolla Toyota Camry Toyota Prius Hyundai Accent Audi A6 13.5 1450 10.9 1380 17.7 1090 13.5 1670 9.3 BMW 5-series 1730 2700 9.7 Cadillac Escalade Nissan Versa 6.7 1070 13.1
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