| A | B |
|---|
| mean | add data values & divide by number of values |
| median | middle value of data set |
| mode | value that occurs most often |
| range | difference between highest & lowest value |
| bar graph | represents data with solid bars |
| line graph | shows change in data over time |
| stem-and-leaf plot | data display with stems & leaves |
| box-and-whisker plot | displays data in quartiles |
| lower quartile | middle value of lower half of data set |
| upper quartile | middle data value of upper half of data set |
| line plot | represents data frequencies on number line |
| lower extreme | lowest data value |
| upper extreme | highest data value |
| frequency table | organizes data into intervals |
| frequency | how often data value occurs |
| histogram | displays data by intervals |
| scale | numbers on axes |
| interval | distance between numbers on axes |
| x-axis | horizontal axis |
| y-axis | vertical axis |
