Question: 39. Driving Speed and Fuel Efficiency. A study on driving speed (kilometers per hour) and fuel efficiency (kilometers per liter) for midsize automobiles resulted in

39. Driving Speed and Fuel Efficiency. A study on driving speed (kilometers per hour) and fuel efficiency (kilometers per liter) for midsize automobiles resulted in the following data:

Driving Speed 50 80 65 90 50 40 95 40 80 90 Fuel Efficiency 11.8 10.6 10.6 9.7 12.7 13.5 8.9 14.8 11.0 10.6

a. Construct a scatter diagram with driving speed on the horizontal axis and fuel efficiency on the vertical axis.

b. Comment on any apparent relationship between these two variables.

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