Question

Which of the following is a convention of graph making?

a) The data must be capable of being plotted as a straight line.

b) Dependent variables are omitted.

c) There must be at least 10 numbers on each axis.

d) The independent variable is on the x-axis.

Answer 1

D is the correct answer. The reason for why the independent variable goes on the x axis is unknown — it is just a matter of convention to follow it today, to make your results easily understandable and comparable with other results the scientific community presents.