a) What value can be used to determine whether a straight line is suitable for describing the relationship between Fuel consumption and Kilometers travelled b) Calculate(round off to 4 decimal place) and tell by this value the straight- line relationship c) Give regression line equation

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The following data describe motor vehicle travel and fuel consumption from 2001 to 2005. The data represent billions of litres of fuel consumed and billions of kilometers travelled.

Year   Kilometers travelled   Fuel consumed
2001 2236.3 96.8
2002 1449.1 88.9
2003 2150.8 106.4
2004 2217.1 81.4
2005 2565.0 77.6

 

a) What value can be used to determine whether a straight line is suitable for describing the relationship between Fuel consumption and Kilometers travelled

b) Calculate(round off to 4 decimal place) and tell by this value the straight- line relationship

c) Give regression line equation

d) Name best fit of this model

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