section 1

Some of the variables in the data set are:

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

\(mpg=\frac{miles\;travelled}{gallons\;of\;gas}\)

Section 3