| A | B |
| interval | separates the scale into equal parts |
| mean | the sum of the data divided by the number of pieces of data. |
| stem-and-leaf plot | a display that uses place value to display a large set of data |
| median | the middle number when a set of data is arranged in numerical order. |
| line graph | shows how data changes over time. |
| data | pieces of numerical information |
| key | explains the information given in a stem-and-leaf plot. |
| graph | a visual way to display data |
| vertical axis | the scale and interval are shown here. |
| bar graph | used to compare data. |
| tally marks | counters used to record items in a group. |
| statistics | involves collecting, organizing, analyzing, & presenting data. |
| circle graph | used to compare parts to a whole. |
| mode | number or numbers that appear the most often in a set of data. |
| outlier | a value that is much higher or lower than the other values. |