The following table compares the speed you drive in km/h to the fuel economy in km/L. Find the speed you need to travel to max your fuel economy.

Speed 24 32 40 48 56 64 72 80 89 97 105 113
Fuel Economy 9.48 10.84 11.69 12.33 12.24 12.75 12.71 12.84 12.92 12.24 11.65 10.76

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  1. Looks like 89 km/hr

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  2. how do you find the regression?

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  3. You review the section in your text. It shows how to do the job.
    Or, use google to find any of a number of handy online regression calculators.

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