Regional Rent-A-Car is interested in studying how weight of a vehicle is related to the fuel efficiency for
several of its rental vehicles.
A random sample of 13 vehicles from Regional Rent-A-Car yielded the data in the table.
Weight (in pounds)
2000
3123
3775
2287
4000
2485
2114
2433
2525
2889
3186
3258
3622
Fuel Efficiency (in miles per gallon)
32.7
22.8
18.6
26.1
18.4
26.2
33.1
28.3
26.2
22.5
20.9
21.3
18.1