The following data describe U.S. passenger car travel and fuel consumption from 1995 through 1999. The data

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The following data describe U.S. passenger car travel and fuel consumption from 1995 through 1999. The data represent billions of gallons consumed and billions of miles traveled, respectively.

1995 1996 1999 1997 1998 Fuel 69.87 Consumed 68.07 69.22 71.70 73.16 Miles Traveled 1438.29 1469.85 1501.82 1549.58 1569

a. Determine the least-squares equation line for predicting fuel consumption on the basis of driving miles.
b. Determine and interpret the coefficients of correlation and determination.
c. If passenger car travel during a year were 1580 billion miles, what level of fuel consumption would be predicted?

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