[his-tuh-gram] 
| a graph of a frequency distribution in which rectangles with bases on the horizontal axis are given widths equal to the class intervals and heights equal to the corresponding frequencies. |
| his·to·gram (hĭs'tə-grām') n. A bar graph of a frequency distribution in which the widths of the bars are proportional to the classes into which the variable has been divided and the heights of the bars are proportional to the class frequencies. [Greek histos, mast, web; see stā- in Indo-European roots + -gram.] |
təˌgræm