Section 1

• mpg Miles/(US) gallon
• cyl Number of cylinders
• disp Displacement (cu.in.)
• hp Gross horsepower
• drat Rear axle ratio
• wt Weight (1000 lbs)
• qsec 1/4 mile time
• vs Engine (0 = V-shaped, 1 = straight)
• am Transmission (0 = automatic, 1 = manual)
• gear Number of forward gears
• carb Number of carburetors

Section 2

\[mpg = \frac{miles\;traveled}{gallons\;of\;gas}\]

Section 3