Another useful set of graphs comprises those which give the relation between the expressions of a length, volume, &c., on different systems of measurement.
The second class of cases comprises equations involving two unknowns; here we have to deal with two graphs, and the solution of the equation is the determination of their common ordinates.
Use colors to clearly delineate the elements in your graphs.
Confidence intervals are shown only on the graphs of standardized mortality ratios for deaths in the local areas.
Very long wedges are normally horizontal because the writing has a fundamental orientation toward narrow horizontal row horizontal rows of graphs.
