The following data describe fuel consumption and flying hours for turboprop general aviation aircraft from 1992 through 1997. Fuel consumption is in millions of gallons; flying time is in millions of hours.

a. Determine the least-squares regression line for predicting fuel consumption on the basis of flying time.
b. Determine and interpret the coefficients of correlation and determination.
c. If there were 2.0 million flying hours during a given year, what would be the prediction for the amount of fuel consumed?

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Year 1992 1993 1994 1995 1996 1997 Fuel Consumed 131.8 95.9 92.7 124.4 145.0 135.7 1.6 1.2 Flying Time 1.7 1.1 1.5 1.8