Match the following vocabulary words. 1. a diagram showing how one quantity depends on or changes with another quantity. pie chart 2. a graph that uses rectangular bars to show the comparisons or relationships. line graph 3. a graph that divides up a circle to show the relationship of the parts. bar graph 4. a graph in which points are plotted and then the points are joined with a line. independent variable 5. a graph that presents statistical data by using pictures. vertical axis 6. data which changes because it is related to (dependent upon) something else. graph 7. data whose value does not depend upon that of another variable. pictograph 8. the horizontal or vertical line on a graph. dependent variable 9. an axis that is parallel with the horizon. horizontal axis 10. an axis that is perpendicular to the horizontal axis. axis