Data set 2 [Fuel consumption]
Data: 30 types of car (Apollo, Omega, Nova, Monarch, Duster, Jenson, Skyhawk, Monza, Scirocco, Corolla SR-5, Camaro, Datsun B210, Capri II, Pacer, Bobcat, Granada, Eldorado, Imperial, Nova LN, Valiant, Starfire, Cordoba, Corolla E-5, Mark IV, Celica GT, Charger SE, Cougar, Elite, Matador, Corvette)
Variables:
x1 . . . milage per gallon [miles/gallon]
x2 . . . displacement [cubic inch]
x3 . . . horse power [ft-lb]
x4 . . . overall length [inch]
x5 . . . weight [lb]
Source: Motor Trend 1975, from D. C. Montgomery, E. A. Peck, Introduction to Linear Regression Analysis. John Wiley & Sons, New York 1982.
Task: Investigate the influence of variables x2 - x5 on x1.