Our goal is to understand what the numbers in the equation tell us about the relationship between the explanatory variable and the response variable. In the equation of the line, the constant b is the...Our goal is to understand what the numbers in the equation tell us about the relationship between the explanatory variable and the response variable. In the equation of the line, the constant b is the rate of change, called the slope. Recall that from a data set of 30 drivers, we see a strong negative linear relationship between the age of a driver (x) and the maximum distance (in feet) at which a driver can read a highway sign.
