# Load the built-in dataset
data(mtcars)

# Create scatter plot
plot(mtcars$hp, mtcars$mpg,
     xlab = "Horsepower (hp)",
     ylab = "Miles Per Gallon (mpg)",
     main = "Miles Per Gallon vs Horsepower",
     pch = 19)

Interpretation

The scatter plot shows a negative relationship between horsepower and miles per gallon. As horsepower increases, fuel efficiency generally decreases. This indicates that cars with more powerful engines tend to use more fuel.