Stacy Christiansen and Connie Manno
Clear display of data or information is the most important aspect of any figure. For figures that display quantitative information, data values may be represented by dots, lines, curves, area, length, or shading based on the type of graph used.
The horizontal scale (x-axis) and the vertical scale (y-axis) indicate the values of the data plotted in a graph. In most graphs, values increase from left to right (on the x-axis) and from bottom to top (on the y-axis). Rarely, a third scale (secondary y-axis) may be relevant, also with values increasing from bottom ...