A frequency table is a table with the values on the abscissa (X or horizontal axis) and the frequency of these values on the ordinate (Y or vertical axis). The height of any column indicates the frequency of the values/scores.
I searched Google under the key words "'line plot' math" to get these possible sources:
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In the future, you can find the information you desire more quickly, if you use appropriate key words to do your own search. Also see http://hanlib.sou.edu/searchtools/.
I hope this helps. Thanks for asking.