| A | B |
| bar graph | a graph using vertical or horizontal bars to display numerical information |
| pictograph | a graph using symbols to represent data |
| line graph | a graph in which a line shows changes in data, often over time |
| circle graph | a round graph that uses different-sized wedges to show how portions of a set of data compare with the whole set |
| scatterplot | a graph showing paired data values |
| trend | a relationship between two sets of data that shows up as a pattern in a scatterplot |
| tally marks | marks used to organize a large set of data |
| frequency chart | a table listing each value that appears in a data set followed by the number of times it appears |
| line plot | a plot that shows the shape of a data set by stacking x's above each value on a number line |
| scale | the "ruler" that measures the heights of the bars in a bar graph |
| interval | one of the equal-sized divisions on a bar graph scale |
| horizontal axis | the horizontal line of the two lines on which a graph is built |
| vertical axis | the vertical line of the two lines on which a graph is built |
| range | the difference between the highest and lowest values in a data set |
| stem-and-leaf diagram | a graph showing the shape of a data set by breaking each value into a "stem" part and a "leaf" part |