A linear equation is represented as a line graph. In order to draw the line graph we require several pairs of coordinates. These coordinates represent the relationship given in the equation.

A scatter plot or bubble chart uses dots plotted on the X and Y axis to show a correlation or relationship between data ...

For example, in the right hand graph of Figure 2 is a population of ... the intrinsic rate of natural increase. The basic relationship between finite rate of increase and intrinsic rate is where ...

or linear on any scale. They may be sigmoidal or discontinuous, in which case they are referred to as nonlinear allometries. Huxley and Tessier were primarily interested in the relationship ...